21987312

素因数分解:

$2^4\times 3^1\times {\mathrm{458069}}^1$

素因数の和:458080

約数の個数: 20

約数和(自身を含む): 56800680

約数和(自身を除く): 34813368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 458069, 916138, 1374207, 1832276, 2748414, 3664552, 5496828, 7329104, 10993656, 21987312]

約数ペア:

[(1, 21987312), (2, 10993656), (3, 7329104), (4, 5496828), (6, 3664552), (8, 2748414), (12, 1832276), (16, 1374207), (24, 916138), (48, 458069)]