21114980

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{3373}}^1$

素因数の和:3695

約数の個数: 24

約数和(自身を含む): 44496312

約数和(自身を除く): 23381332

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 3373, 6260, 6746, 13492, 16865, 33730, 67460, 1055749, 2111498, 4222996, 5278745, 10557490, 21114980]

約数ペア:

[(1, 21114980), (2, 10557490), (4, 5278745), (5, 4222996), (10, 2111498), (20, 1055749), (313, 67460), (626, 33730), (1252, 16865), (1565, 13492), (3130, 6746), (3373, 6260)]