21089643

素因数分解:

$3^1\times {\mathrm{23}}^2\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:283

約数の個数: 24

約数和(自身を含む): 29915088

約数和(自身を除く): 8825445

約数列:

[1, 3, 23, 69, 97, 137, 291, 411, 529, 1587, 2231, 3151, 6693, 9453, 13289, 39867, 51313, 72473, 153939, 217419, 305647, 916941, 7029881, 21089643]

約数ペア:

[(1, 21089643), (3, 7029881), (23, 916941), (69, 305647), (97, 217419), (137, 153939), (291, 72473), (411, 51313), (529, 39867), (1587, 13289), (2231, 9453), (3151, 6693)]