21167768120

素因数分解:

$2^3\times 5^1\times {\mathrm{919}}^1\times {\mathrm{575837}}^1$

素因数の和:576767

約数の個数: 32

約数和(自身を含む): 47679386400

約数和(自身を除く): 26511618280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 919, 1838, 3676, 4595, 7352, 9190, 18380, 36760, 575837, 1151674, 2303348, 2879185, 4606696, 5758370, 11516740, 23033480, 529194203, 1058388406, 2116776812, 2645971015, 4233553624, 5291942030, 10583884060, 21167768120]

約数ペア:

[(1, 21167768120), (2, 10583884060), (4, 5291942030), (5, 4233553624), (8, 2645971015), (10, 2116776812), (20, 1058388406), (40, 529194203), (919, 23033480), (1838, 11516740), (3676, 5758370), (4595, 4606696), (7352, 2879185), (9190, 2303348), (18380, 1151674), (36760, 575837)]