21260418

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{154061}}^1$

素因数の和:154089

約数の個数: 16

約数和(自身を含む): 44369856

約数和(自身を除く): 23109438

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 154061, 308122, 462183, 924366, 3543403, 7086806, 10630209, 21260418]

約数ペア:

[(1, 21260418), (2, 10630209), (3, 7086806), (6, 3543403), (23, 924366), (46, 462183), (69, 308122), (138, 154061)]