21908667

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{4073}}^1$

素因数の和:4250

約数の個数: 16

約数和(自身を含む): 32070528

約数和(自身を除く): 10161861

約数列:

[1, 3, 11, 33, 163, 489, 1793, 4073, 5379, 12219, 44803, 134409, 663899, 1991697, 7302889, 21908667]

約数ペア:

[(1, 21908667), (3, 7302889), (11, 1991697), (33, 663899), (163, 134409), (489, 44803), (1793, 12219), (4073, 5379)]