21355026

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2719}}^1$

素因数の和:2759

約数の個数: 64

約数和(自身を含む): 56401920

約数和(自身を除く): 35046894

約数列:

[1, 2, 3, 6, 7, 11, 14, 17, 21, 22, 33, 34, 42, 51, 66, 77, 102, 119, 154, 187, 231, 238, 357, 374, 462, 561, 714, 1122, 1309, 2618, 2719, 3927, 5438, 7854, 8157, 16314, 19033, 29909, 38066, 46223, 57099, 59818, 89727, 92446, 114198, 138669, 179454, 209363, 277338, 323561, 418726, 508453, 628089, 647122, 970683, 1016906, 1256178, 1525359, 1941366, 3050718, 3559171, 7118342, 10677513, 21355026]

約数ペア:

[(1, 21355026), (2, 10677513), (3, 7118342), (6, 3559171), (7, 3050718), (11, 1941366), (14, 1525359), (17, 1256178), (21, 1016906), (22, 970683), (33, 647122), (34, 628089), (42, 508453), (51, 418726), (66, 323561), (77, 277338), (102, 209363), (119, 179454), (154, 138669), (187, 114198), (231, 92446), (238, 89727), (357, 59818), (374, 57099), (462, 46223), (561, 38066), (714, 29909), (1122, 19033), (1309, 16314), (2618, 8157), (2719, 7854), (3927, 5438)]