21501651

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{2437}}^1$

素因数の和:2630

約数の個数: 16

約数和(自身を含む): 30543264

約数和(自身を除く): 9041613

約数列:

[1, 3, 17, 51, 173, 519, 2437, 2941, 7311, 8823, 41429, 124287, 421601, 1264803, 7167217, 21501651]

約数ペア:

[(1, 21501651), (3, 7167217), (17, 1264803), (51, 421601), (173, 124287), (519, 41429), (2437, 8823), (2941, 7311)]