21768020

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{10567}}^1$

素因数の和:10679

約数の個数: 24

約数和(自身を含む): 46161024

約数和(自身を除く): 24393004

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 10567, 21134, 42268, 52835, 105670, 211340, 1088401, 2176802, 4353604, 5442005, 10884010, 21768020]

約数ペア:

[(1, 21768020), (2, 10884010), (4, 5442005), (5, 4353604), (10, 2176802), (20, 1088401), (103, 211340), (206, 105670), (412, 52835), (515, 42268), (1030, 21134), (2060, 10567)]