21495538

素因数分解:

$2^1\times {\mathrm{113}}^1\times {\mathrm{227}}^1\times {\mathrm{419}}^1$

素因数の和:761

約数の個数: 16

約数和(自身を含む): 32749920

約数和(自身を除く): 11254382

約数列:

[1, 2, 113, 226, 227, 419, 454, 838, 25651, 47347, 51302, 94694, 95113, 190226, 10747769, 21495538]

約数ペア:

[(1, 21495538), (2, 10747769), (113, 190226), (226, 95113), (227, 94694), (419, 51302), (454, 47347), (838, 25651)]