21030172801

素因数分解:

${\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{70969}}^1$

素因数の和:71101

約数の個数: 24

約数和(自身を含む): 24163865600

約数和(自身を除く): 3133692799

約数列:

[1, 11, 31, 79, 121, 341, 869, 2449, 3751, 9559, 26939, 70969, 296329, 780659, 2200039, 5606551, 8587249, 24200429, 61672061, 173803081, 266204719, 678392671, 1911833891, 21030172801]

約数ペア:

[(1, 21030172801), (11, 1911833891), (31, 678392671), (79, 266204719), (121, 173803081), (341, 61672061), (869, 24200429), (2449, 8587249), (3751, 5606551), (9559, 2200039), (26939, 780659), (70969, 296329)]