21291255932

素因数分解:

$2^2\times {\mathrm{223}}^1\times {\mathrm{557}}^1\times {\mathrm{42853}}^1$

素因数の和:43637

約数の個数: 24

約数和(自身を含む): 37494850176

約数和(自身を除く): 16203594244

約数列:

[1, 2, 4, 223, 446, 557, 892, 1114, 2228, 42853, 85706, 124211, 171412, 248422, 496844, 9556219, 19112438, 23869121, 38224876, 47738242, 95476484, 5322813983, 10645627966, 21291255932]

約数ペア:

[(1, 21291255932), (2, 10645627966), (4, 5322813983), (223, 95476484), (446, 47738242), (557, 38224876), (892, 23869121), (1114, 19112438), (2228, 9556219), (42853, 496844), (85706, 248422), (124211, 171412)]