21086874

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{28573}}^1$

素因数の和:28622

約数の個数: 24

約数和(自身を含む): 46804212

約数和(自身を除く): 25717338

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 246, 369, 738, 28573, 57146, 85719, 171438, 257157, 514314, 1171493, 2342986, 3514479, 7028958, 10543437, 21086874]

約数ペア:

[(1, 21086874), (2, 10543437), (3, 7028958), (6, 3514479), (9, 2342986), (18, 1171493), (41, 514314), (82, 257157), (123, 171438), (246, 85719), (369, 57146), (738, 28573)]