21003422

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{229}}^1\times {\mathrm{379}}^1$

素因数の和:632

約数の個数: 24

約数和(自身を含む): 34872600

約数和(自身を除く): 13869178

約数列:

[1, 2, 11, 22, 121, 229, 242, 379, 458, 758, 2519, 4169, 5038, 8338, 27709, 45859, 55418, 86791, 91718, 173582, 954701, 1909402, 10501711, 21003422]

約数ペア:

[(1, 21003422), (2, 10501711), (11, 1909402), (22, 954701), (121, 173582), (229, 91718), (242, 86791), (379, 55418), (458, 45859), (758, 27709), (2519, 8338), (4169, 5038)]