21411061

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1223}}^1$

素因数の和:1332

約数の個数: 16

約数和(自身を含む): 25498368

約数和(自身を除く): 4087307

約数列:

[1, 7, 41, 61, 287, 427, 1223, 2501, 8561, 17507, 50143, 74603, 351001, 522221, 3058723, 21411061]

約数ペア:

[(1, 21411061), (7, 3058723), (41, 522221), (61, 351001), (287, 74603), (427, 50143), (1223, 17507), (2501, 8561)]