21450200

素因数分解:

$2^3\times 5^2\times {\mathrm{107251}}^1$

素因数の和:107267

約数の個数: 24

約数和(自身を含む): 49872180

約数和(自身を除く): 28421980

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 107251, 214502, 429004, 536255, 858008, 1072510, 2145020, 2681275, 4290040, 5362550, 10725100, 21450200]

約数ペア:

[(1, 21450200), (2, 10725100), (4, 5362550), (5, 4290040), (8, 2681275), (10, 2145020), (20, 1072510), (25, 858008), (40, 536255), (50, 429004), (100, 214502), (200, 107251)]