21009540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{350159}}^1$

素因数の和:350171

約数の個数: 24

約数和(自身を含む): 58826880

約数和(自身を除く): 37817340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 350159, 700318, 1050477, 1400636, 1750795, 2100954, 3501590, 4201908, 5252385, 7003180, 10504770, 21009540]

約数ペア:

[(1, 21009540), (2, 10504770), (3, 7003180), (4, 5252385), (5, 4201908), (6, 3501590), (10, 2100954), (12, 1750795), (15, 1400636), (20, 1050477), (30, 700318), (60, 350159)]