21630010

素因数分解:

$2^1\times 5^1\times {\mathrm{1201}}^1\times {\mathrm{1801}}^1$

素因数の和:3009

約数の個数: 16

約数和(自身を含む): 38988072

約数和(自身を除く): 17358062

約数列:

[1, 2, 5, 10, 1201, 1801, 2402, 3602, 6005, 9005, 12010, 18010, 2163001, 4326002, 10815005, 21630010]

約数ペア:

[(1, 21630010), (2, 10815005), (5, 4326002), (10, 2163001), (1201, 18010), (1801, 12010), (2402, 9005), (3602, 6005)]