21859172

素因数分解:

$2^2\times {\mathrm{113}}^1\times {\mathrm{137}}^1\times {\mathrm{353}}^1$

素因数の和:607

約数の個数: 24

約数和(自身を含む): 38983896

約数和(自身を除く): 17124724

約数列:

[1, 2, 4, 113, 137, 226, 274, 353, 452, 548, 706, 1412, 15481, 30962, 39889, 48361, 61924, 79778, 96722, 159556, 193444, 5464793, 10929586, 21859172]

約数ペア:

[(1, 21859172), (2, 10929586), (4, 5464793), (113, 193444), (137, 159556), (226, 96722), (274, 79778), (353, 61924), (452, 48361), (548, 39889), (706, 30962), (1412, 15481)]