21262504

素因数分解:

$2^3\times {\mathrm{1201}}^1\times {\mathrm{2213}}^1$

素因数の和:3420

約数の個数: 16

約数和(自身を含む): 39918420

約数和(自身を除く): 18655916

約数列:

[1, 2, 4, 8, 1201, 2213, 2402, 4426, 4804, 8852, 9608, 17704, 2657813, 5315626, 10631252, 21262504]

約数ペア:

[(1, 21262504), (2, 10631252), (4, 5315626), (8, 2657813), (1201, 17704), (2213, 9608), (2402, 8852), (4426, 4804)]