21410217

素因数分解:

$3^3\times {\mathrm{23}}^2\times {\mathrm{1499}}^1$

素因数の和:1554

約数の個数: 24

約数和(自身を含む): 33180000

約数和(自身を除く): 11769783

約数列:

[1, 3, 9, 23, 27, 69, 207, 529, 621, 1499, 1587, 4497, 4761, 13491, 14283, 34477, 40473, 103431, 310293, 792971, 930879, 2378913, 7136739, 21410217]

約数ペア:

[(1, 21410217), (3, 7136739), (9, 2378913), (23, 930879), (27, 792971), (69, 310293), (207, 103431), (529, 40473), (621, 34477), (1499, 14283), (1587, 13491), (4497, 4761)]