21531404

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{1031}}^1$

素因数の和:1285

約数の個数: 24

約数和(自身を含む): 39529728

約数和(自身を除く): 17998324

約数列:

[1, 2, 4, 23, 46, 92, 227, 454, 908, 1031, 2062, 4124, 5221, 10442, 20884, 23713, 47426, 94852, 234037, 468074, 936148, 5382851, 10765702, 21531404]

約数ペア:

[(1, 21531404), (2, 10765702), (4, 5382851), (23, 936148), (46, 468074), (92, 234037), (227, 94852), (454, 47426), (908, 23713), (1031, 20884), (2062, 10442), (4124, 5221)]