21188568

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1$

素因数の和:376

約数の個数: 64

約数和(自身を含む): 55157760

約数和(自身を除く): 33969192

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 107, 111, 148, 214, 222, 223, 296, 321, 428, 444, 446, 642, 669, 856, 888, 892, 1284, 1338, 1784, 2568, 2676, 3959, 5352, 7918, 8251, 11877, 15836, 16502, 23754, 23861, 24753, 31672, 33004, 47508, 47722, 49506, 66008, 71583, 95016, 95444, 99012, 143166, 190888, 198024, 286332, 572664, 882857, 1765714, 2648571, 3531428, 5297142, 7062856, 10594284, 21188568]

約数ペア:

[(1, 21188568), (2, 10594284), (3, 7062856), (4, 5297142), (6, 3531428), (8, 2648571), (12, 1765714), (24, 882857), (37, 572664), (74, 286332), (107, 198024), (111, 190888), (148, 143166), (214, 99012), (222, 95444), (223, 95016), (296, 71583), (321, 66008), (428, 49506), (444, 47722), (446, 47508), (642, 33004), (669, 31672), (856, 24753), (888, 23861), (892, 23754), (1284, 16502), (1338, 15836), (1784, 11877), (2568, 8251), (2676, 7918), (3959, 5352)]