21599964

素因数分解:

$2^2\times 3^2\times {\mathrm{599999}}^1$

素因数の和:600009

約数の個数: 18

約数和(自身を含む): 54600000

約数和(自身を除く): 33000036

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 599999, 1199998, 1799997, 2399996, 3599994, 5399991, 7199988, 10799982, 21599964]

約数ペア:

[(1, 21599964), (2, 10799982), (3, 7199988), (4, 5399991), (6, 3599994), (9, 2399996), (12, 1799997), (18, 1199998), (36, 599999)]