21378532

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{12941}}^1$

素因数の和:13011

約数の個数: 24

約数和(自身を含む): 43485120

約数和(自身を除く): 22106588

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 826, 1652, 12941, 25882, 51764, 90587, 181174, 362348, 763519, 1527038, 3054076, 5344633, 10689266, 21378532]

約数ペア:

[(1, 21378532), (2, 10689266), (4, 5344633), (7, 3054076), (14, 1527038), (28, 763519), (59, 362348), (118, 181174), (236, 90587), (413, 51764), (826, 25882), (1652, 12941)]