21497131040

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:142

約数の個数: 864

約数和(自身を含む): 72626222592

約数和(自身を除く): 51129091552

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 17, 20, 22, 28, 31, 32, 34, 35, 40, 43, 44, 49, 55, 56, 62, 68, 70, 77, 80, 85, 86, 88, 98, 110, 112, 119, 121, 124, 136, 140, 154, 155, 160, 170, 172, 176, 187, 196, 215, 217, 220, 224, 238, 242, 245, 248, 272, 280, 301, 308, 310, 340, 341, 344, 352, 374, 385, 392, 430, 434, 440, 473, 476, 484, 490, 496, 527, 539, 544, 560, 595, 602, 605, 616, 620, 680, 682, 688, 731, 748, 770, 784, 833, 847, 860, 868, 880, 935, 946, 952, 968, 980, 992, 1054, 1078, 1085, 1120, 1190, 1204, 1210, 1232, 1240, 1309, 1333, 1360, 1364, 1376, 1462, 1496, 1505, 1519, 1540, 1568, 1666, 1694, 1705, 1720, 1736, 1760, 1870, 1892, 1904, 1936, 1960, 2057, 2107, 2108, 2156, 2170, 2365, 2380, 2387, 2408, 2420, 2464, 2480, 2618, 2635, 2666, 2695, 2720, 2728, 2924, 2992, 3010, 3038, 3080, 3311, 3332, 3388, 3410, 3440, 3472, 3655, 3689, 3740, 3751, 3784, 3808, 3872, 3920, 4114, 4165, 4214, 4216, 4235, 4312, 4340, 4730, 4760, 4774, 4816, 4840, 4960, 5117, 5203, 5236, 5270, 5332, 5390, 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45815, 46354, 46376, 46655, 47432, 47740, 48160, 48608, 51170, 51646, 52030, 52360, 52514, 52976, 53320, 54560, 56287, 57596, 57970, 58480, 58652, 59024, 59290, 60016, 60760, 63767, 64328, 65317, 65824, 66220, 66640, 66836, 67424, 67760, 71638, 71995, 72842, 73304, 73315, 73780, 74648, 75020, 75680, 76384, 80410, 81158, 81872, 82280, 83248, 83545, 84280, 84320, 86240, 88451, 90644, 91630, 92708, 92752, 93310, 94864, 95480, 100793, 102340, 102641, 103292, 104060, 104720, 105028, 105952, 106640, 112574, 113305, 115192, 115885, 115940, 116960, 117304, 118048, 118580, 120032, 121520, 127534, 128656, 129115, 130634, 131285, 132440, 133280, 133672, 135520, 143276, 143990, 145684, 146608, 146630, 147560, 149296, 150040, 158627, 160820, 161293, 162316, 163744, 164560, 166496, 167090, 168560, 176902, 179095, 181288, 182105, 183260, 183799, 185416, 185504, 186620, 189728, 190960, 201586, 202895, 204680, 205282, 206584, 208120, 209440, 210056, 213280, 225148, 226610, 230384, 231770, 231880, 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約数ペア:

[(1, 21497131040), (2, 10748565520), (4, 5374282760), (5, 4299426208), (7, 3071018720), (8, 2687141380), (10, 2149713104), (11, 1954284640), (14, 1535509360), (16, 1343570690), (17, 1264537120), (20, 1074856552), (22, 977142320), (28, 767754680), (31, 693455840), (32, 671785345), (34, 632268560), (35, 614203744), (40, 537428276), (43, 499933280), (44, 488571160), (49, 438716960), (55, 390856928), (56, 383877340), (62, 346727920), (68, 316134280), (70, 307101872), (77, 279183520), (80, 268714138), (85, 252907424), (86, 249966640), (88, 244285580), (98, 219358480), (110, 195428464), (112, 191938670), (119, 180648160), (121, 177662240), (124, 173363960), (136, 158067140), (140, 153550936), (154, 139591760), (155, 138691168), (160, 134357069), (170, 126453712), (172, 124983320), (176, 122142790), (187, 114957920), (196, 109679240), (215, 99986656), (217, 99065120), (220, 97714232), (224, 95969335), (238, 90324080), (242, 88831120), (245, 87743392), (248, 86681980), (272, 79033570), (280, 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(23392, 918995), (23716, 906440), (23870, 900592), (24080, 892738), (24304, 884510), (25585, 840224), (25823, 832480), (26015, 826336), (26180, 821128), (26257, 818720), (26488, 811580), (26656, 806465), (26660, 806344), (27104, 793135), (27280, 788018), (28798, 746480), (28985, 741664), (29240, 735196), (29326, 733040), (29512, 728420), (29645, 725152), (29920, 718487), (30008, 716380), (30380, 707608), (32164, 668360), (32912, 653170), (33110, 649264), (33320, 645172), (33418, 643280), (33712, 637670), (33880, 634508), (34720, 619157), (35819, 600160), (36421, 590240), (36652, 586520), (36890, 582736), (37324, 575960), (37510, 573104), (37840, 568106), (38192, 562870), (40205, 534688), (40579, 529760), (40936, 525140), (41140, 522536), (41624, 516460), (41888, 513205), (42140, 510136), (42160, 509894), (42656, 503965), (43120, 498542), (45322, 474320), (45815, 469216), (46354, 463760), (46376, 463540), (46655, 460768), (47432, 453220), (47740, 450296), (48160, 446369), (48608, 442255), (51170, 420112), (51646, 416240), (52030, 413168), (52360, 410564), (52514, 409360), (52976, 405790), (53320, 403172), (54560, 394009), (56287, 381920), (57596, 373240), (57970, 370832), (58480, 367598), (58652, 366520), (59024, 364210), (59290, 362576), (60016, 358190), (60760, 353804), (63767, 337120), (64328, 334180), (65317, 329120), (65824, 326585), (66220, 324632), (66640, 322586), (66836, 321640), (67424, 318835), (67760, 317254), (71638, 300080), (71995, 298592), (72842, 295120), (73304, 293260), (73315, 293216), (73780, 291368), (74648, 287980), (75020, 286552), (75680, 284053), (76384, 281435), (80410, 267344), (81158, 264880), (81872, 262570), (82280, 261268), (83248, 258230), (83545, 257312), (84280, 255068), (84320, 254947), (86240, 249271), (88451, 243040), (90644, 237160), (91630, 234608), (92708, 231880), (92752, 231770), (93310, 230384), (94864, 226610), (95480, 225148), (100793, 213280), (102340, 210056), (102641, 209440), (103292, 208120), (104060, 206584), 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