21937100

素因数分解:

$2^2\times 5^2\times {\mathrm{219371}}^1$

素因数の和:219385

約数の個数: 18

約数和(自身を含む): 47603724

約数和(自身を除く): 25666624

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 219371, 438742, 877484, 1096855, 2193710, 4387420, 5484275, 10968550, 21937100]

約数ペア:

[(1, 21937100), (2, 10968550), (4, 5484275), (5, 4387420), (10, 2193710), (20, 1096855), (25, 877484), (50, 438742), (100, 219371)]