21876592

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{3343}}^1$

素因数の和:3760

約数の個数: 20

約数和(自身を含む): 42502240

約数和(自身を除く): 20625648

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3272, 3343, 6544, 6686, 13372, 26744, 53488, 1367287, 2734574, 5469148, 10938296, 21876592]

約数ペア:

[(1, 21876592), (2, 10938296), (4, 5469148), (8, 2734574), (16, 1367287), (409, 53488), (818, 26744), (1636, 13372), (3272, 6686), (3343, 6544)]