21364102480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{84967}}^1$

素因数の和:85436

約数の個数: 80

約数和(自身を含む): 56894572800

約数和(自身を除く): 35530470320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 449, 560, 898, 1796, 2245, 3143, 3592, 4490, 6286, 7184, 8980, 12572, 15715, 17960, 25144, 31430, 35920, 50288, 62860, 84967, 125720, 169934, 251440, 339868, 424835, 594769, 679736, 849670, 1189538, 1359472, 1699340, 2379076, 2973845, 3398680, 4758152, 5947690, 6797360, 9516304, 11895380, 23790760, 38150183, 47581520, 76300366, 152600732, 190750915, 267051281, 305201464, 381501830, 534102562, 610402928, 763003660, 1068205124, 1335256405, 1526007320, 2136410248, 2670512810, 3052014640, 4272820496, 5341025620, 10682051240, 21364102480]

約数ペア:

[(1, 21364102480), (2, 10682051240), (4, 5341025620), (5, 4272820496), (7, 3052014640), (8, 2670512810), (10, 2136410248), (14, 1526007320), (16, 1335256405), (20, 1068205124), (28, 763003660), (35, 610402928), (40, 534102562), (56, 381501830), (70, 305201464), (80, 267051281), (112, 190750915), (140, 152600732), (280, 76300366), (449, 47581520), (560, 38150183), (898, 23790760), (1796, 11895380), (2245, 9516304), (3143, 6797360), (3592, 5947690), (4490, 4758152), (6286, 3398680), (7184, 2973845), (8980, 2379076), (12572, 1699340), (15715, 1359472), (17960, 1189538), (25144, 849670), (31430, 679736), (35920, 594769), (50288, 424835), (62860, 339868), (84967, 251440), (125720, 169934)]