21216928

素因数分解:

$2^5\times {\mathrm{47}}^1\times {\mathrm{14107}}^1$

素因数の和:14164

約数の個数: 24

約数和(自身を含む): 42662592

約数和(自身を除く): 21445664

約数列:

[1, 2, 4, 8, 16, 32, 47, 94, 188, 376, 752, 1504, 14107, 28214, 56428, 112856, 225712, 451424, 663029, 1326058, 2652116, 5304232, 10608464, 21216928]

約数ペア:

[(1, 21216928), (2, 10608464), (4, 5304232), (8, 2652116), (16, 1326058), (32, 663029), (47, 451424), (94, 225712), (188, 112856), (376, 56428), (752, 28214), (1504, 14107)]