21900806

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{14057}}^1$

素因数の和:14119

約数の個数: 16

約数和(自身を含む): 35426160

約数和(自身を除く): 13525354

約数列:

[1, 2, 19, 38, 41, 82, 779, 1558, 14057, 28114, 267083, 534166, 576337, 1152674, 10950403, 21900806]

約数ペア:

[(1, 21900806), (2, 10950403), (19, 1152674), (38, 576337), (41, 534166), (82, 267083), (779, 28114), (1558, 14057)]