21726896

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{17189}}^1$

素因数の和:17276

約数の個数: 20

約数和(自身を含む): 42631200

約数和(自身を除く): 20904304

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 17189, 34378, 68756, 137512, 275024, 1357931, 2715862, 5431724, 10863448, 21726896]

約数ペア:

[(1, 21726896), (2, 10863448), (4, 5431724), (8, 2715862), (16, 1357931), (79, 275024), (158, 137512), (316, 68756), (632, 34378), (1264, 17189)]