21961818

素因数分解:

$2^1\times 3^2\times {\mathrm{89}}^1\times {\mathrm{13709}}^1$

素因数の和:13806

約数の個数: 24

約数和(自身を含む): 48122100

約数和(自身を除く): 26160282

約数列:

[1, 2, 3, 6, 9, 18, 89, 178, 267, 534, 801, 1602, 13709, 27418, 41127, 82254, 123381, 246762, 1220101, 2440202, 3660303, 7320606, 10980909, 21961818]

約数ペア:

[(1, 21961818), (2, 10980909), (3, 7320606), (6, 3660303), (9, 2440202), (18, 1220101), (89, 246762), (178, 123381), (267, 82254), (534, 41127), (801, 27418), (1602, 13709)]