21260670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{708689}}^1$

素因数の和:708699

約数の個数: 16

約数和(自身を含む): 51025680

約数和(自身を除く): 29765010

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 708689, 1417378, 2126067, 3543445, 4252134, 7086890, 10630335, 21260670]

約数ペア:

[(1, 21260670), (2, 10630335), (3, 7086890), (5, 4252134), (6, 3543445), (10, 2126067), (15, 1417378), (30, 708689)]