21278652

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{33457}}^1$

素因数の和:33517

約数の個数: 24

約数和(自身を含む): 50588496

約数和(自身を除く): 29309844

約数列:

[1, 2, 3, 4, 6, 12, 53, 106, 159, 212, 318, 636, 33457, 66914, 100371, 133828, 200742, 401484, 1773221, 3546442, 5319663, 7092884, 10639326, 21278652]

約数ペア:

[(1, 21278652), (2, 10639326), (3, 7092884), (4, 5319663), (6, 3546442), (12, 1773221), (53, 401484), (106, 200742), (159, 133828), (212, 100371), (318, 66914), (636, 33457)]