21180088

素因数分解:

$2^3\times {\mathrm{1409}}^1\times {\mathrm{1879}}^1$

素因数の和:3294

約数の個数: 16

約数和(自身を含む): 39762000

約数和(自身を除く): 18581912

約数列:

[1, 2, 4, 8, 1409, 1879, 2818, 3758, 5636, 7516, 11272, 15032, 2647511, 5295022, 10590044, 21180088]

約数ペア:

[(1, 21180088), (2, 10590044), (4, 5295022), (8, 2647511), (1409, 15032), (1879, 11272), (2818, 7516), (3758, 5636)]