21645810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{240509}}^1$

素因数の和:240522

約数の個数: 24

約数和(自身を含む): 56279340

約数和(自身を除く): 34633530

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 240509, 481018, 721527, 1202545, 1443054, 2164581, 2405090, 3607635, 4329162, 7215270, 10822905, 21645810]

約数ペア:

[(1, 21645810), (2, 10822905), (3, 7215270), (5, 4329162), (6, 3607635), (9, 2405090), (10, 2164581), (15, 1443054), (18, 1202545), (30, 721527), (45, 481018), (90, 240509)]