21481518

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{123457}}^1$

素因数の和:123491

約数の個数: 16

約数和(自身を含む): 44444880

約数和(自身を除く): 22963362

約数列:

[1, 2, 3, 6, 29, 58, 87, 174, 123457, 246914, 370371, 740742, 3580253, 7160506, 10740759, 21481518]

約数ペア:

[(1, 21481518), (2, 10740759), (3, 7160506), (6, 3580253), (29, 740742), (58, 370371), (87, 246914), (174, 123457)]