21292010

素因数分解:

$2^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{10091}}^1$

素因数の和:10309

約数の個数: 16

約数和(自身を含む): 38511072

約数和(自身を除く): 17219062

約数列:

[1, 2, 5, 10, 211, 422, 1055, 2110, 10091, 20182, 50455, 100910, 2129201, 4258402, 10646005, 21292010]

約数ペア:

[(1, 21292010), (2, 10646005), (5, 4258402), (10, 2129201), (211, 100910), (422, 50455), (1055, 20182), (2110, 10091)]