21886382

素因数分解:

$2^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{4723}}^1$

素因数の和:5063

約数の個数: 16

約数和(自身を含む): 37640832

約数和(自身を除く): 15754450

約数列:

[1, 2, 7, 14, 331, 662, 2317, 4634, 4723, 9446, 33061, 66122, 1563313, 3126626, 10943191, 21886382]

約数ペア:

[(1, 21886382), (2, 10943191), (7, 3126626), (14, 1563313), (331, 66122), (662, 33061), (2317, 9446), (4634, 4723)]