21987532808

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{499}}^1\times {\mathrm{134339}}^1$

素因数の和:134885

約数の個数: 32

約数和(自身を含む): 42317100000

約数和(自身を除く): 20329567192

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 499, 998, 1996, 3992, 20459, 40918, 81836, 134339, 163672, 268678, 537356, 1074712, 5507899, 11015798, 22031596, 44063192, 67035161, 134070322, 268140644, 536281288, 2748441601, 5496883202, 10993766404, 21987532808]

約数ペア:

[(1, 21987532808), (2, 10993766404), (4, 5496883202), (8, 2748441601), (41, 536281288), (82, 268140644), (164, 134070322), (328, 67035161), (499, 44063192), (998, 22031596), (1996, 11015798), (3992, 5507899), (20459, 1074712), (40918, 537356), (81836, 268678), (134339, 163672)]