21775288

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1997}}^1$

素因数の和:2079

約数の個数: 32

約数和(自身を含む): 43156800

約数和(自身を除く): 21381512

約数列:

[1, 2, 4, 8, 29, 47, 58, 94, 116, 188, 232, 376, 1363, 1997, 2726, 3994, 5452, 7988, 10904, 15976, 57913, 93859, 115826, 187718, 231652, 375436, 463304, 750872, 2721911, 5443822, 10887644, 21775288]

約数ペア:

[(1, 21775288), (2, 10887644), (4, 5443822), (8, 2721911), (29, 750872), (47, 463304), (58, 375436), (94, 231652), (116, 187718), (188, 115826), (232, 93859), (376, 57913), (1363, 15976), (1997, 10904), (2726, 7988), (3994, 5452)]