21780204

素因数分解:

$2^2\times 3^1\times {\mathrm{59}}^1\times {\mathrm{30763}}^1$

素因数の和:30829

約数の個数: 24

約数和(自身を含む): 51683520

約数和(自身を除く): 29903316

約数列:

[1, 2, 3, 4, 6, 12, 59, 118, 177, 236, 354, 708, 30763, 61526, 92289, 123052, 184578, 369156, 1815017, 3630034, 5445051, 7260068, 10890102, 21780204]

約数ペア:

[(1, 21780204), (2, 10890102), (3, 7260068), (4, 5445051), (6, 3630034), (12, 1815017), (59, 369156), (118, 184578), (177, 123052), (236, 92289), (354, 61526), (708, 30763)]