21932693240

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3944729}}^1$

素因数の和:3944879

約数の個数: 32

約数和(自身を含む): 49703598000

約数和(自身を除く): 27770904760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 3944729, 7889458, 15778916, 19723645, 31557832, 39447290, 78894580, 157789160, 548317331, 1096634662, 2193269324, 2741586655, 4386538648, 5483173310, 10966346620, 21932693240]

約数ペア:

[(1, 21932693240), (2, 10966346620), (4, 5483173310), (5, 4386538648), (8, 2741586655), (10, 2193269324), (20, 1096634662), (40, 548317331), (139, 157789160), (278, 78894580), (556, 39447290), (695, 31557832), (1112, 19723645), (1390, 15778916), (2780, 7889458), (5560, 3944729)]