21840510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{728017}}^1$

素因数の和:728027

約数の個数: 16

約数和(自身を含む): 52417296

約数和(自身を除く): 30576786

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 728017, 1456034, 2184051, 3640085, 4368102, 7280170, 10920255, 21840510]

約数ペア:

[(1, 21840510), (2, 10920255), (3, 7280170), (5, 4368102), (6, 3640085), (10, 2184051), (15, 1456034), (30, 728017)]