21356654

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{23677}}^1$

素因数の和:23731

約数の個数: 16

約数和(自身を含む): 35801136

約数和(自身を除く): 14444482

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 23677, 47354, 260447, 520894, 970757, 1941514, 10678327, 21356654]

約数ペア:

[(1, 21356654), (2, 10678327), (11, 1941514), (22, 970757), (41, 520894), (82, 260447), (451, 47354), (902, 23677)]