21836872

素因数分解:

$2^3\times {\mathrm{1229}}^1\times {\mathrm{2221}}^1$

素因数の和:3456

約数の個数: 16

約数和(自身を含む): 40995900

約数和(自身を除く): 19159028

約数列:

[1, 2, 4, 8, 1229, 2221, 2458, 4442, 4916, 8884, 9832, 17768, 2729609, 5459218, 10918436, 21836872]

約数ペア:

[(1, 21836872), (2, 10918436), (4, 5459218), (8, 2729609), (1229, 17768), (2221, 9832), (2458, 8884), (4442, 4916)]