21025776

素因数分解:

$2^4\times 3^1\times {\mathrm{101}}^1\times {\mathrm{4337}}^1$

素因数の和:4449

約数の個数: 40

約数和(自身を含む): 54867024

約数和(自身を除く): 33841248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 101, 202, 303, 404, 606, 808, 1212, 1616, 2424, 4337, 4848, 8674, 13011, 17348, 26022, 34696, 52044, 69392, 104088, 208176, 438037, 876074, 1314111, 1752148, 2628222, 3504296, 5256444, 7008592, 10512888, 21025776]

約数ペア:

[(1, 21025776), (2, 10512888), (3, 7008592), (4, 5256444), (6, 3504296), (8, 2628222), (12, 1752148), (16, 1314111), (24, 876074), (48, 438037), (101, 208176), (202, 104088), (303, 69392), (404, 52044), (606, 34696), (808, 26022), (1212, 17348), (1616, 13011), (2424, 8674), (4337, 4848)]