21831730

素因数分解:

$2^1\times 5^1\times {\mathrm{991}}^1\times {\mathrm{2203}}^1$

素因数の和:3201

約数の個数: 16

約数和(自身を含む): 39354624

約数和(自身を除く): 17522894

約数列:

[1, 2, 5, 10, 991, 1982, 2203, 4406, 4955, 9910, 11015, 22030, 2183173, 4366346, 10915865, 21831730]

約数ペア:

[(1, 21831730), (2, 10915865), (5, 4366346), (10, 2183173), (991, 22030), (1982, 11015), (2203, 9910), (4406, 4955)]