21680856

素因数分解:

$2^3\times 3^2\times {\mathrm{301123}}^1$

素因数の和:301135

約数の個数: 24

約数和(自身を含む): 58719180

約数和(自身を除く): 37038324

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 301123, 602246, 903369, 1204492, 1806738, 2408984, 2710107, 3613476, 5420214, 7226952, 10840428, 21680856]

約数ペア:

[(1, 21680856), (2, 10840428), (3, 7226952), (4, 5420214), (6, 3613476), (8, 2710107), (9, 2408984), (12, 1806738), (18, 1204492), (24, 903369), (36, 602246), (72, 301123)]