21709429

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1\times {\mathrm{467}}^1$

素因数の和:732

約数の個数: 16

約数和(自身を含む): 25833600

約数和(自身を除く): 4124171

約数列:

[1, 7, 29, 203, 229, 467, 1603, 3269, 6641, 13543, 46487, 94801, 106943, 748601, 3101347, 21709429]

約数ペア:

[(1, 21709429), (7, 3101347), (29, 748601), (203, 106943), (229, 94801), (467, 46487), (1603, 13543), (3269, 6641)]