21198900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{70663}}^1$

素因数の和:70680

約数の個数: 36

約数和(自身を含む): 61336352

約数和(自身を除く): 40137452

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 70663, 141326, 211989, 282652, 353315, 423978, 706630, 847956, 1059945, 1413260, 1766575, 2119890, 3533150, 4239780, 5299725, 7066300, 10599450, 21198900]

約数ペア:

[(1, 21198900), (2, 10599450), (3, 7066300), (4, 5299725), (5, 4239780), (6, 3533150), (10, 2119890), (12, 1766575), (15, 1413260), (20, 1059945), (25, 847956), (30, 706630), (50, 423978), (60, 353315), (75, 282652), (100, 211989), (150, 141326), (300, 70663)]