21904052

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{277}}^1\times {\mathrm{373}}^1$

素因数の和:707

約数の個数: 24

約数和(自身を含む): 39301416

約数和(自身を除く): 17397364

約数列:

[1, 2, 4, 53, 106, 212, 277, 373, 554, 746, 1108, 1492, 14681, 19769, 29362, 39538, 58724, 79076, 103321, 206642, 413284, 5476013, 10952026, 21904052]

約数ペア:

[(1, 21904052), (2, 10952026), (4, 5476013), (53, 413284), (106, 206642), (212, 103321), (277, 79076), (373, 58724), (554, 39538), (746, 29362), (1108, 19769), (1492, 14681)]