21985272

素因数分解:

$2^3\times 3^2\times {\mathrm{305351}}^1$

素因数の和:305363

約数の個数: 24

約数和(自身を含む): 59543640

約数和(自身を除く): 37558368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 305351, 610702, 916053, 1221404, 1832106, 2442808, 2748159, 3664212, 5496318, 7328424, 10992636, 21985272]

約数ペア:

[(1, 21985272), (2, 10992636), (3, 7328424), (4, 5496318), (6, 3664212), (8, 2748159), (9, 2442808), (12, 1832106), (18, 1221404), (24, 916053), (36, 610702), (72, 305351)]