21203146

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{349}}^1\times {\mathrm{821}}^1$

素因数の和:1209

約数の個数: 16

約数和(自身を含む): 32797800

約数和(自身を除く): 11594654

約数列:

[1, 2, 37, 74, 349, 698, 821, 1642, 12913, 25826, 30377, 60754, 286529, 573058, 10601573, 21203146]

約数ペア:

[(1, 21203146), (2, 10601573), (37, 573058), (74, 286529), (349, 60754), (698, 30377), (821, 25826), (1642, 12913)]