21726484

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{2767}}^1$

素因数の和:2935

約数の個数: 24

約数和(自身を含む): 41232128

約数和(自身を除く): 19505644

約数列:

[1, 2, 4, 13, 26, 52, 151, 302, 604, 1963, 2767, 3926, 5534, 7852, 11068, 35971, 71942, 143884, 417817, 835634, 1671268, 5431621, 10863242, 21726484]

約数ペア:

[(1, 21726484), (2, 10863242), (4, 5431621), (13, 1671268), (26, 835634), (52, 417817), (151, 143884), (302, 71942), (604, 35971), (1963, 11068), (2767, 7852), (3926, 5534)]