21671782

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{3833}}^1$

素因数の和:4103

約数の個数: 16

約数和(自身を含む): 35610192

約数和(自身を除く): 13938410

約数列:

[1, 2, 11, 22, 257, 514, 2827, 3833, 5654, 7666, 42163, 84326, 985081, 1970162, 10835891, 21671782]

約数ペア:

[(1, 21671782), (2, 10835891), (11, 1970162), (22, 985081), (257, 84326), (514, 42163), (2827, 7666), (3833, 5654)]