213998422

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{491}}^1\times {\mathrm{1801}}^1$

素因数の和:2316

約数の個数: 24

約数和(自身を含む): 353747016

約数和(自身を除く): 139748594

約数列:

[1, 2, 11, 22, 121, 242, 491, 982, 1801, 3602, 5401, 10802, 19811, 39622, 59411, 118822, 217921, 435842, 884291, 1768582, 9727201, 19454402, 106999211, 213998422]

約数ペア:

[(1, 213998422), (2, 106999211), (11, 19454402), (22, 9727201), (121, 1768582), (242, 884291), (491, 435842), (982, 217921), (1801, 118822), (3602, 59411), (5401, 39622), (10802, 19811)]