21791374

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{1699}}^1$

素因数の和:1776

約数の個数: 24

約数和(自身を含む): 36628200

約数和(自身を除く): 14836826

約数列:

[1, 2, 11, 22, 53, 106, 121, 242, 583, 1166, 1699, 3398, 6413, 12826, 18689, 37378, 90047, 180094, 205579, 411158, 990517, 1981034, 10895687, 21791374]

約数ペア:

[(1, 21791374), (2, 10895687), (11, 1981034), (22, 990517), (53, 411158), (106, 205579), (121, 180094), (242, 90047), (583, 37378), (1166, 18689), (1699, 12826), (3398, 6413)]