21498994

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{2707}}^1$

素因数の和:2758

約数の個数: 24

約数和(自身を含む): 37142928

約数和(自身を除く): 15643934

約数列:

[1, 2, 11, 19, 22, 38, 209, 361, 418, 722, 2707, 3971, 5414, 7942, 29777, 51433, 59554, 102866, 565763, 977227, 1131526, 1954454, 10749497, 21498994]

約数ペア:

[(1, 21498994), (2, 10749497), (11, 1954454), (19, 1131526), (22, 977227), (38, 565763), (209, 102866), (361, 59554), (418, 51433), (722, 29777), (2707, 7942), (3971, 5414)]