21457512

素因数分解:

$2^3\times 3^2\times {\mathrm{298021}}^1$

素因数の和:298033

約数の個数: 24

約数和(自身を含む): 58114290

約数和(自身を除く): 36656778

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 298021, 596042, 894063, 1192084, 1788126, 2384168, 2682189, 3576252, 5364378, 7152504, 10728756, 21457512]

約数ペア:

[(1, 21457512), (2, 10728756), (3, 7152504), (4, 5364378), (6, 3576252), (8, 2682189), (9, 2384168), (12, 1788126), (18, 1192084), (24, 894063), (36, 596042), (72, 298021)]