21805996

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{479}}^1\times {\mathrm{599}}^1$

素因数の和:1101

約数の個数: 24

約数和(自身を含む): 40320000

約数和(自身を除く): 18514004

約数列:

[1, 2, 4, 19, 38, 76, 479, 599, 958, 1198, 1916, 2396, 9101, 11381, 18202, 22762, 36404, 45524, 286921, 573842, 1147684, 5451499, 10902998, 21805996]

約数ペア:

[(1, 21805996), (2, 10902998), (4, 5451499), (19, 1147684), (38, 573842), (76, 286921), (479, 45524), (599, 36404), (958, 22762), (1198, 18202), (1916, 11381), (2396, 9101)]