21798092

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{3929}}^1$

素因数の和:4025

約数の個数: 24

約数和(自身を含む): 40714800

約数和(自身を除く): 18916708

約数列:

[1, 2, 4, 19, 38, 73, 76, 146, 292, 1387, 2774, 3929, 5548, 7858, 15716, 74651, 149302, 286817, 298604, 573634, 1147268, 5449523, 10899046, 21798092]

約数ペア:

[(1, 21798092), (2, 10899046), (4, 5449523), (19, 1147268), (38, 573634), (73, 298604), (76, 286817), (146, 149302), (292, 74651), (1387, 15716), (2774, 7858), (3929, 5548)]