21945270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{731509}}^1$

素因数の和:731519

約数の個数: 16

約数和(自身を含む): 52668720

約数和(自身を除く): 30723450

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 731509, 1463018, 2194527, 3657545, 4389054, 7315090, 10972635, 21945270]

約数ペア:

[(1, 21945270), (2, 10972635), (3, 7315090), (5, 4389054), (6, 3657545), (10, 2194527), (15, 1463018), (30, 731509)]