21789208

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{13417}}^1$

素因数の和:13459

約数の個数: 32

約数和(自身を含む): 48304800

約数和(自身を除く): 26515592

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 812, 1624, 13417, 26834, 53668, 93919, 107336, 187838, 375676, 389093, 751352, 778186, 1556372, 2723651, 3112744, 5447302, 10894604, 21789208]

約数ペア:

[(1, 21789208), (2, 10894604), (4, 5447302), (7, 3112744), (8, 2723651), (14, 1556372), (28, 778186), (29, 751352), (56, 389093), (58, 375676), (116, 187838), (203, 107336), (232, 93919), (406, 53668), (812, 26834), (1624, 13417)]