21581664

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17293}}^1$

素因数の和:17319

約数の個数: 48

約数和(自身を含む): 61013232

約数和(自身を除く): 39431568

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 17293, 34586, 51879, 69172, 103758, 138344, 207516, 224809, 276688, 415032, 449618, 553376, 674427, 830064, 899236, 1348854, 1660128, 1798472, 2697708, 3596944, 5395416, 7193888, 10790832, 21581664]

約数ペア:

[(1, 21581664), (2, 10790832), (3, 7193888), (4, 5395416), (6, 3596944), (8, 2697708), (12, 1798472), (13, 1660128), (16, 1348854), (24, 899236), (26, 830064), (32, 674427), (39, 553376), (48, 449618), (52, 415032), (78, 276688), (96, 224809), (104, 207516), (156, 138344), (208, 103758), (312, 69172), (416, 51879), (624, 34586), (1248, 17293)]