21985262

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{27277}}^1$

素因数の和:27323

約数の個数: 16

約数和(自身を含む): 36661632

約数和(自身を除く): 14676370

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 27277, 54554, 354601, 709202, 845587, 1691174, 10992631, 21985262]

約数ペア:

[(1, 21985262), (2, 10992631), (13, 1691174), (26, 845587), (31, 709202), (62, 354601), (403, 54554), (806, 27277)]