21648180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{360803}}^1$

素因数の和:360815

約数の個数: 24

約数和(自身を含む): 60615072

約数和(自身を除く): 38966892

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 360803, 721606, 1082409, 1443212, 1804015, 2164818, 3608030, 4329636, 5412045, 7216060, 10824090, 21648180]

約数ペア:

[(1, 21648180), (2, 10824090), (3, 7216060), (4, 5412045), (5, 4329636), (6, 3608030), (10, 2164818), (12, 1804015), (15, 1443212), (20, 1082409), (30, 721606), (60, 360803)]