21433565

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{761}}^1$

素因数の和:940

約数の個数: 16

約数和(自身を含む): 26554176

約数和(自身を除く): 5120611

約数列:

[1, 5, 43, 131, 215, 655, 761, 3805, 5633, 28165, 32723, 99691, 163615, 498455, 4286713, 21433565]

約数ペア:

[(1, 21433565), (5, 4286713), (43, 498455), (131, 163615), (215, 99691), (655, 32723), (761, 28165), (3805, 5633)]