21156924

素因数分解:

$2^2\times 3^1\times {\mathrm{397}}^1\times {\mathrm{4441}}^1$

素因数の和:4845

約数の個数: 24

約数和(自身を含む): 49501648

約数和(自身を除く): 28344724

約数列:

[1, 2, 3, 4, 6, 12, 397, 794, 1191, 1588, 2382, 4441, 4764, 8882, 13323, 17764, 26646, 53292, 1763077, 3526154, 5289231, 7052308, 10578462, 21156924]

約数ペア:

[(1, 21156924), (2, 10578462), (3, 7052308), (4, 5289231), (6, 3526154), (12, 1763077), (397, 53292), (794, 26646), (1191, 17764), (1588, 13323), (2382, 8882), (4441, 4764)]