21957136

素因数分解:

$2^4\times {\mathrm{743}}^1\times {\mathrm{1847}}^1$

素因数の和:2598

約数の個数: 20

約数和(自身を含む): 42622272

約数和(自身を除く): 20665136

約数列:

[1, 2, 4, 8, 16, 743, 1486, 1847, 2972, 3694, 5944, 7388, 11888, 14776, 29552, 1372321, 2744642, 5489284, 10978568, 21957136]

約数ペア:

[(1, 21957136), (2, 10978568), (4, 5489284), (8, 2744642), (16, 1372321), (743, 29552), (1486, 14776), (1847, 11888), (2972, 7388), (3694, 5944)]