21198630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{706621}}^1$

素因数の和:706631

約数の個数: 16

約数和(自身を含む): 50876784

約数和(自身を除く): 29678154

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 706621, 1413242, 2119863, 3533105, 4239726, 7066210, 10599315, 21198630]

約数ペア:

[(1, 21198630), (2, 10599315), (3, 7066210), (5, 4239726), (6, 3533105), (10, 2119863), (15, 1413242), (30, 706621)]