21393168

素因数分解:

$2^4\times 3^1\times {\mathrm{445691}}^1$

素因数の和:445702

約数の個数: 20

約数和(自身を含む): 55265808

約数和(自身を除く): 33872640

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 445691, 891382, 1337073, 1782764, 2674146, 3565528, 5348292, 7131056, 10696584, 21393168]

約数ペア:

[(1, 21393168), (2, 10696584), (3, 7131056), (4, 5348292), (6, 3565528), (8, 2674146), (12, 1782764), (16, 1337073), (24, 891382), (48, 445691)]