21809969167

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{599}}^1\times {\mathrm{1627}}^1$

素因数の和:2395

約数の個数: 32

約数和(自身を含む): 26256384000

約数和(自身を除く): 4446414833

約数列:

[1, 7, 23, 139, 161, 599, 973, 1627, 3197, 4193, 11389, 13777, 22379, 37421, 83261, 96439, 226153, 261947, 582827, 974573, 1583071, 1915003, 5201519, 6822011, 13405021, 22415179, 36410633, 135465647, 156906253, 948259529, 3115709881, 21809969167]

約数ペア:

[(1, 21809969167), (7, 3115709881), (23, 948259529), (139, 156906253), (161, 135465647), (599, 36410633), (973, 22415179), (1627, 13405021), (3197, 6822011), (4193, 5201519), (11389, 1915003), (13777, 1583071), (22379, 974573), (37421, 582827), (83261, 261947), (96439, 226153)]