21150774

素因数分解:

$2^1\times 3^3\times {\mathrm{61}}^1\times {\mathrm{6421}}^1$

素因数の和:6493

約数の個数: 32

約数和(自身を含む): 47779680

約数和(自身を除く): 26628906

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 122, 183, 366, 549, 1098, 1647, 3294, 6421, 12842, 19263, 38526, 57789, 115578, 173367, 346734, 391681, 783362, 1175043, 2350086, 3525129, 7050258, 10575387, 21150774]

約数ペア:

[(1, 21150774), (2, 10575387), (3, 7050258), (6, 3525129), (9, 2350086), (18, 1175043), (27, 783362), (54, 391681), (61, 346734), (122, 173367), (183, 115578), (366, 57789), (549, 38526), (1098, 19263), (1647, 12842), (3294, 6421)]