21875790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{2203}}^1$

素因数の和:2544

約数の個数: 32

約数和(自身を含む): 52684416

約数和(自身を除く): 30808626

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 331, 662, 993, 1655, 1986, 2203, 3310, 4406, 4965, 6609, 9930, 11015, 13218, 22030, 33045, 66090, 729193, 1458386, 2187579, 3645965, 4375158, 7291930, 10937895, 21875790]

約数ペア:

[(1, 21875790), (2, 10937895), (3, 7291930), (5, 4375158), (6, 3645965), (10, 2187579), (15, 1458386), (30, 729193), (331, 66090), (662, 33045), (993, 22030), (1655, 13218), (1986, 11015), (2203, 9930), (3310, 6609), (4406, 4965)]