21496860

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1$

素因数の和:94

約数の個数: 288

約数和(自身を含む): 85800960

約数和(自身を除く): 64304100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 27, 28, 30, 33, 35, 36, 42, 44, 45, 47, 54, 55, 60, 63, 66, 70, 77, 84, 90, 94, 99, 105, 108, 110, 121, 126, 132, 135, 140, 141, 154, 165, 180, 188, 189, 198, 210, 220, 231, 235, 242, 252, 270, 282, 297, 308, 315, 329, 330, 363, 378, 385, 396, 420, 423, 462, 470, 484, 495, 517, 540, 564, 594, 605, 630, 658, 660, 693, 705, 726, 756, 770, 846, 847, 924, 940, 945, 987, 990, 1034, 1089, 1155, 1188, 1210, 1260, 1269, 1316, 1386, 1410, 1452, 1485, 1540, 1551, 1645, 1692, 1694, 1815, 1890, 1974, 1980, 2068, 2079, 2115, 2178, 2310, 2420, 2538, 2541, 2585, 2772, 2820, 2961, 2970, 3102, 3267, 3290, 3388, 3465, 3619, 3630, 3780, 3948, 4158, 4230, 4235, 4356, 4620, 4653, 4935, 5076, 5082, 5170, 5445, 5687, 5922, 5940, 6204, 6345, 6534, 6580, 6930, 7238, 7260, 7623, 7755, 8316, 8460, 8470, 8883, 9306, 9870, 10164, 10340, 10395, 10857, 10890, 11374, 11844, 12690, 12705, 13068, 13860, 13959, 14476, 14805, 15246, 15510, 16335, 16940, 17061, 17766, 18095, 18612, 19740, 20790, 21714, 21780, 22748, 22869, 23265, 25380, 25410, 27918, 28435, 29610, 30492, 31020, 32571, 32670, 34122, 35532, 36190, 38115, 39809, 41580, 43428, 44415, 45738, 46530, 50820, 51183, 54285, 55836, 56870, 59220, 65142, 65340, 68244, 69795, 72380, 76230, 79618, 85305, 88830, 91476, 93060, 97713, 102366, 108570, 113740, 114345, 119427, 130284, 139590, 152460, 153549, 159236, 162855, 170610, 177660, 195426, 199045, 204732, 217140, 228690, 238854, 255915, 279180, 307098, 325710, 341220, 358281, 390852, 398090, 457380, 477708, 488565, 511830, 597135, 614196, 651420, 716562, 767745, 796180, 977130, 1023660, 1074843, 1194270, 1433124, 1535490, 1791405, 1954260, 2149686, 2388540, 3070980, 3582810, 4299372, 5374215, 7165620, 10748430, 21496860]

約数ペア:

[(1, 21496860), (2, 10748430), (3, 7165620), (4, 5374215), (5, 4299372), (6, 3582810), (7, 3070980), (9, 2388540), (10, 2149686), (11, 1954260), (12, 1791405), (14, 1535490), (15, 1433124), (18, 1194270), (20, 1074843), (21, 1023660), (22, 977130), (27, 796180), (28, 767745), (30, 716562), (33, 651420), (35, 614196), (36, 597135), (42, 511830), (44, 488565), (45, 477708), (47, 457380), (54, 398090), (55, 390852), (60, 358281), (63, 341220), (66, 325710), (70, 307098), (77, 279180), (84, 255915), (90, 238854), (94, 228690), (99, 217140), (105, 204732), (108, 199045), (110, 195426), (121, 177660), (126, 170610), (132, 162855), (135, 159236), (140, 153549), (141, 152460), (154, 139590), (165, 130284), (180, 119427), (188, 114345), (189, 113740), (198, 108570), (210, 102366), (220, 97713), (231, 93060), (235, 91476), (242, 88830), (252, 85305), (270, 79618), (282, 76230), (297, 72380), (308, 69795), (315, 68244), (329, 65340), (330, 65142), (363, 59220), (378, 56870), (385, 55836), (396, 54285), (420, 51183), (423, 50820), (462, 46530), (470, 45738), (484, 44415), (495, 43428), (517, 41580), (540, 39809), (564, 38115), (594, 36190), (605, 35532), (630, 34122), (658, 32670), (660, 32571), (693, 31020), (705, 30492), (726, 29610), (756, 28435), (770, 27918), (846, 25410), (847, 25380), (924, 23265), (940, 22869), (945, 22748), (987, 21780), (990, 21714), (1034, 20790), (1089, 19740), (1155, 18612), (1188, 18095), (1210, 17766), (1260, 17061), (1269, 16940), (1316, 16335), (1386, 15510), (1410, 15246), (1452, 14805), (1485, 14476), (1540, 13959), (1551, 13860), (1645, 13068), (1692, 12705), (1694, 12690), (1815, 11844), (1890, 11374), (1974, 10890), (1980, 10857), (2068, 10395), (2079, 10340), (2115, 10164), (2178, 9870), (2310, 9306), (2420, 8883), (2538, 8470), (2541, 8460), (2585, 8316), (2772, 7755), (2820, 7623), (2961, 7260), (2970, 7238), (3102, 6930), (3267, 6580), (3290, 6534), (3388, 6345), (3465, 6204), (3619, 5940), (3630, 5922), (3780, 5687), (3948, 5445), (4158, 5170), (4230, 5082), (4235, 5076), (4356, 4935), (4620, 4653)]