21890582

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{25633}}^1$

素因数の和:25703

約数の個数: 16

約数和(自身を含む): 38143392

約数和(自身を除く): 16252810

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 25633, 51266, 179431, 358862, 1563613, 3127226, 10945291, 21890582]

約数ペア:

[(1, 21890582), (2, 10945291), (7, 3127226), (14, 1563613), (61, 358862), (122, 179431), (427, 51266), (854, 25633)]