21418854

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{367}}^1$

素因数の和:580

約数の個数: 32

約数和(自身を含む): 43877376

約数和(自身を除く): 22458522

約数列:

[1, 2, 3, 6, 71, 137, 142, 213, 274, 367, 411, 426, 734, 822, 1101, 2202, 9727, 19454, 26057, 29181, 50279, 52114, 58362, 78171, 100558, 150837, 156342, 301674, 3569809, 7139618, 10709427, 21418854]

約数ペア:

[(1, 21418854), (2, 10709427), (3, 7139618), (6, 3569809), (71, 301674), (137, 156342), (142, 150837), (213, 100558), (274, 78171), (367, 58362), (411, 52114), (426, 50279), (734, 29181), (822, 26057), (1101, 19454), (2202, 9727)]