21724112

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{10691}}^1$

素因数の和:10826

約数の個数: 20

約数和(自身を含む): 42425856

約数和(自身を除く): 20701744

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 10691, 21382, 42764, 85528, 171056, 1357757, 2715514, 5431028, 10862056, 21724112]

約数ペア:

[(1, 21724112), (2, 10862056), (4, 5431028), (8, 2715514), (16, 1357757), (127, 171056), (254, 85528), (508, 42764), (1016, 21382), (2032, 10691)]