21026170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17377}}^1$

素因数の和:17406

約数の個数: 24

約数和(自身を含む): 41602932

約数和(自身を除く): 20576762

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 17377, 34754, 86885, 173770, 191147, 382294, 955735, 1911470, 2102617, 4205234, 10513085, 21026170]

約数ペア:

[(1, 21026170), (2, 10513085), (5, 4205234), (10, 2102617), (11, 1911470), (22, 955735), (55, 382294), (110, 191147), (121, 173770), (242, 86885), (605, 34754), (1210, 17377)]