21396824

素因数分解:

$2^3\times {\mathrm{379}}^1\times {\mathrm{7057}}^1$

素因数の和:7442

約数の個数: 16

約数和(自身を含む): 40230600

約数和(自身を除く): 18833776

約数列:

[1, 2, 4, 8, 379, 758, 1516, 3032, 7057, 14114, 28228, 56456, 2674603, 5349206, 10698412, 21396824]

約数ペア:

[(1, 21396824), (2, 10698412), (4, 5349206), (8, 2674603), (379, 56456), (758, 28228), (1516, 14114), (3032, 7057)]