21630540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{360509}}^1$

素因数の和:360521

約数の個数: 24

約数和(自身を含む): 60565680

約数和(自身を除く): 38935140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 360509, 721018, 1081527, 1442036, 1802545, 2163054, 3605090, 4326108, 5407635, 7210180, 10815270, 21630540]

約数ペア:

[(1, 21630540), (2, 10815270), (3, 7210180), (4, 5407635), (5, 4326108), (6, 3605090), (10, 2163054), (12, 1802545), (15, 1442036), (20, 1081527), (30, 721018), (60, 360509)]