21384336

素因数分解:

$2^4\times 3^1\times {\mathrm{445507}}^1$

素因数の和:445518

約数の個数: 20

約数和(自身を含む): 55242992

約数和(自身を除く): 33858656

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 445507, 891014, 1336521, 1782028, 2673042, 3564056, 5346084, 7128112, 10692168, 21384336]

約数ペア:

[(1, 21384336), (2, 10692168), (3, 7128112), (4, 5346084), (6, 3564056), (8, 2673042), (12, 1782028), (16, 1336521), (24, 891014), (48, 445507)]