21716429

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{4451}}^1$

素因数の和:4516

約数の個数: 16

約数和(自身を含む): 26925696

約数和(自身を除く): 5209267

約数列:

[1, 7, 17, 41, 119, 287, 697, 4451, 4879, 31157, 75667, 182491, 529669, 1277437, 3102347, 21716429]

約数ペア:

[(1, 21716429), (7, 3102347), (17, 1277437), (41, 529669), (119, 182491), (287, 75667), (697, 31157), (4451, 4879)]