21498786

素因数分解:

$2^1\times 3^2\times {\mathrm{421}}^1\times {\mathrm{2837}}^1$

素因数の和:3266

約数の個数: 24

約数和(自身を含む): 46707804

約数和(自身を除く): 25209018

約数列:

[1, 2, 3, 6, 9, 18, 421, 842, 1263, 2526, 2837, 3789, 5674, 7578, 8511, 17022, 25533, 51066, 1194377, 2388754, 3583131, 7166262, 10749393, 21498786]

約数ペア:

[(1, 21498786), (2, 10749393), (3, 7166262), (6, 3583131), (9, 2388754), (18, 1194377), (421, 51066), (842, 25533), (1263, 17022), (2526, 8511), (2837, 7578), (3789, 5674)]