21715192

素因数分解:

$2^3\times {\mathrm{359}}^1\times {\mathrm{7561}}^1$

素因数の和:7926

約数の個数: 16

約数和(自身を含む): 40834800

約数和(自身を除く): 19119608

約数列:

[1, 2, 4, 8, 359, 718, 1436, 2872, 7561, 15122, 30244, 60488, 2714399, 5428798, 10857596, 21715192]

約数ペア:

[(1, 21715192), (2, 10857596), (4, 5428798), (8, 2714399), (359, 60488), (718, 30244), (1436, 15122), (2872, 7561)]