21875920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{24859}}^1$

素因数の和:24883

約数の個数: 40

約数和(自身を含む): 55487520

約数和(自身を除く): 33611600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 24859, 49718, 99436, 124295, 198872, 248590, 273449, 397744, 497180, 546898, 994360, 1093796, 1367245, 1988720, 2187592, 2734490, 4375184, 5468980, 10937960, 21875920]

約数ペア:

[(1, 21875920), (2, 10937960), (4, 5468980), (5, 4375184), (8, 2734490), (10, 2187592), (11, 1988720), (16, 1367245), (20, 1093796), (22, 994360), (40, 546898), (44, 497180), (55, 397744), (80, 273449), (88, 248590), (110, 198872), (176, 124295), (220, 99436), (440, 49718), (880, 24859)]