21167903080

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{7453487}}^1$

素因数の和:7453569

約数の個数: 32

約数和(自身を含む): 48298602240

約数和(自身を除く): 27130699160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 7453487, 14906974, 29813948, 37267435, 59627896, 74534870, 149069740, 298139480, 529197577, 1058395154, 2116790308, 2645987885, 4233580616, 5291975770, 10583951540, 21167903080]

約数ペア:

[(1, 21167903080), (2, 10583951540), (4, 5291975770), (5, 4233580616), (8, 2645987885), (10, 2116790308), (20, 1058395154), (40, 529197577), (71, 298139480), (142, 149069740), (284, 74534870), (355, 59627896), (568, 37267435), (710, 29813948), (1420, 14906974), (2840, 7453487)]