21251750520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{176921}}^1$

素因数の和:176966

約数の個数: 256

約数和(自身を含む): 85601940480

約数和(自身を除く): 64350189960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 20, 21, 22, 24, 26, 28, 30, 33, 35, 39, 40, 42, 44, 52, 55, 56, 60, 65, 66, 70, 77, 78, 84, 88, 91, 104, 105, 110, 120, 130, 132, 140, 143, 154, 156, 165, 168, 182, 195, 210, 220, 231, 260, 264, 273, 280, 286, 308, 312, 330, 364, 385, 390, 420, 429, 440, 455, 462, 520, 546, 572, 616, 660, 715, 728, 770, 780, 840, 858, 910, 924, 1001, 1092, 1144, 1155, 1320, 1365, 1430, 1540, 1560, 1716, 1820, 1848, 2002, 2145, 2184, 2310, 2730, 2860, 3003, 3080, 3432, 3640, 4004, 4290, 4620, 5005, 5460, 5720, 6006, 8008, 8580, 9240, 10010, 10920, 12012, 15015, 17160, 20020, 24024, 30030, 40040, 60060, 120120, 176921, 353842, 530763, 707684, 884605, 1061526, 1238447, 1415368, 1769210, 1946131, 2123052, 2299973, 2476894, 2653815, 3538420, 3715341, 3892262, 4246104, 4599946, 4953788, 5307630, 5838393, 6192235, 6899919, 7076840, 7430682, 7784524, 9199892, 9730655, 9907576, 10615260, 11499865, 11676786, 12384470, 13622917, 13799838, 14861364, 15569048, 16099811, 18399784, 18576705, 19461310, 21230520, 22999730, 23353572, 24768940, 25299703, 27245834, 27599676, 29191965, 29722728, 32199622, 34499595, 37153410, 38922620, 40868751, 45999460, 46707144, 48299433, 49537880, 50599406, 54491668, 55199352, 58383930, 64399244, 68114585, 68999190, 74306820, 75899109, 77845240, 80499055, 81737502, 91998920, 96598866, 101198812, 108983336, 116767860, 126498515, 128798488, 136229170, 137998380, 148613640, 151798218, 160998110, 163475004, 177097921, 193197732, 202397624, 204343755, 233535720, 241497165, 252997030, 272458340, 275996760, 303596436, 321996220, 326950008, 354195842, 379495545, 386395464, 408687510, 482994330, 505994060, 531293763, 544916680, 607192872, 643992440, 708391684, 758991090, 817375020, 885489605, 965988660, 1011988120, 1062587526, 1416783368, 1517982180, 1634750040, 1770979210, 1931977320, 2125175052, 2656468815, 3035964360, 3541958420, 4250350104, 5312937630, 7083916840, 10625875260, 21251750520]

約数ペア:

[(1, 21251750520), (2, 10625875260), (3, 7083916840), (4, 5312937630), (5, 4250350104), (6, 3541958420), (7, 3035964360), (8, 2656468815), (10, 2125175052), (11, 1931977320), (12, 1770979210), (13, 1634750040), (14, 1517982180), (15, 1416783368), (20, 1062587526), (21, 1011988120), (22, 965988660), (24, 885489605), (26, 817375020), (28, 758991090), (30, 708391684), (33, 643992440), (35, 607192872), (39, 544916680), (40, 531293763), (42, 505994060), (44, 482994330), (52, 408687510), (55, 386395464), (56, 379495545), (60, 354195842), (65, 326950008), (66, 321996220), (70, 303596436), (77, 275996760), (78, 272458340), (84, 252997030), (88, 241497165), (91, 233535720), (104, 204343755), (105, 202397624), (110, 193197732), (120, 177097921), (130, 163475004), (132, 160998110), (140, 151798218), (143, 148613640), (154, 137998380), (156, 136229170), (165, 128798488), (168, 126498515), (182, 116767860), (195, 108983336), (210, 101198812), (220, 96598866), (231, 91998920), (260, 81737502), (264, 80499055), (273, 77845240), (280, 75899109), (286, 74306820), (308, 68999190), (312, 68114585), (330, 64399244), (364, 58383930), (385, 55199352), (390, 54491668), (420, 50599406), (429, 49537880), (440, 48299433), (455, 46707144), (462, 45999460), (520, 40868751), (546, 38922620), (572, 37153410), (616, 34499595), (660, 32199622), (715, 29722728), (728, 29191965), (770, 27599676), (780, 27245834), (840, 25299703), (858, 24768940), (910, 23353572), (924, 22999730), (1001, 21230520), (1092, 19461310), (1144, 18576705), (1155, 18399784), (1320, 16099811), (1365, 15569048), (1430, 14861364), (1540, 13799838), (1560, 13622917), (1716, 12384470), (1820, 11676786), (1848, 11499865), (2002, 10615260), (2145, 9907576), (2184, 9730655), (2310, 9199892), (2730, 7784524), (2860, 7430682), (3003, 7076840), (3080, 6899919), (3432, 6192235), (3640, 5838393), (4004, 5307630), (4290, 4953788), (4620, 4599946), (5005, 4246104), (5460, 3892262), (5720, 3715341), (6006, 3538420), (8008, 2653815), (8580, 2476894), (9240, 2299973), (10010, 2123052), (10920, 1946131), (12012, 1769210), (15015, 1415368), (17160, 1238447), (20020, 1061526), (24024, 884605), (30030, 707684), (40040, 530763), (60060, 353842), (120120, 176921)]