21229948

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{227}}^2$

素因数の和:561

約数の個数: 18

約数和(自身を含む): 37679096

約数和(自身を除く): 16449148

約数列:

[1, 2, 4, 103, 206, 227, 412, 454, 908, 23381, 46762, 51529, 93524, 103058, 206116, 5307487, 10614974, 21229948]

約数ペア:

[(1, 21229948), (2, 10614974), (4, 5307487), (103, 206116), (206, 103058), (227, 93524), (412, 51529), (454, 46762), (908, 23381)]