21096184

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{155119}}^1$

素因数の和:155142

約数の個数: 16

約数和(自身を含む): 41882400

約数和(自身を除く): 20786216

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 155119, 310238, 620476, 1240952, 2637023, 5274046, 10548092, 21096184]

約数ペア:

[(1, 21096184), (2, 10548092), (4, 5274046), (8, 2637023), (17, 1240952), (34, 620476), (68, 310238), (136, 155119)]