21010090

素因数分解:

$2^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{18593}}^1$

素因数の和:18713

約数の個数: 16

約数和(自身を含む): 38154888

約数和(自身を除く): 17144798

約数列:

[1, 2, 5, 10, 113, 226, 565, 1130, 18593, 37186, 92965, 185930, 2101009, 4202018, 10505045, 21010090]

約数ペア:

[(1, 21010090), (2, 10505045), (5, 4202018), (10, 2101009), (113, 185930), (226, 92965), (565, 37186), (1130, 18593)]