21044110

素因数分解:

$2^1\times 5^1\times {\mathrm{823}}^1\times {\mathrm{2557}}^1$

素因数の和:3387

約数の個数: 16

約数和(自身を含む): 37940256

約数和(自身を除く): 16896146

約数列:

[1, 2, 5, 10, 823, 1646, 2557, 4115, 5114, 8230, 12785, 25570, 2104411, 4208822, 10522055, 21044110]

約数ペア:

[(1, 21044110), (2, 10522055), (5, 4208822), (10, 2104411), (823, 25570), (1646, 12785), (2557, 8230), (4115, 5114)]