21165762

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{659}}^1$

素因数の和:818

約数の個数: 32

約数和(自身を含む): 43623360

約数和(自身を除く): 22457598

約数列:

[1, 2, 3, 6, 53, 101, 106, 159, 202, 303, 318, 606, 659, 1318, 1977, 3954, 5353, 10706, 16059, 32118, 34927, 66559, 69854, 104781, 133118, 199677, 209562, 399354, 3527627, 7055254, 10582881, 21165762]

約数ペア:

[(1, 21165762), (2, 10582881), (3, 7055254), (6, 3527627), (53, 399354), (101, 209562), (106, 199677), (159, 133118), (202, 104781), (303, 69854), (318, 66559), (606, 34927), (659, 32118), (1318, 16059), (1977, 10706), (3954, 5353)]