21924853640

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3943319}}^1$

素因数の和:3943469

約数の個数: 32

約数和(自身を含む): 49685832000

約数和(自身を除く): 27760978360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 3943319, 7886638, 15773276, 19716595, 31546552, 39433190, 78866380, 157732760, 548121341, 1096242682, 2192485364, 2740606705, 4384970728, 5481213410, 10962426820, 21924853640]

約数ペア:

[(1, 21924853640), (2, 10962426820), (4, 5481213410), (5, 4384970728), (8, 2740606705), (10, 2192485364), (20, 1096242682), (40, 548121341), (139, 157732760), (278, 78866380), (556, 39433190), (695, 31546552), (1112, 19716595), (1390, 15773276), (2780, 7886638), (5560, 3943319)]