21274168

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{857}}^1$

素因数の和:999

約数の個数: 32

約数和(自身を含む): 41698800

約数和(自身を除く): 20424632

約数列:

[1, 2, 4, 8, 29, 58, 107, 116, 214, 232, 428, 856, 857, 1714, 3103, 3428, 6206, 6856, 12412, 24824, 24853, 49706, 91699, 99412, 183398, 198824, 366796, 733592, 2659271, 5318542, 10637084, 21274168]

約数ペア:

[(1, 21274168), (2, 10637084), (4, 5318542), (8, 2659271), (29, 733592), (58, 366796), (107, 198824), (116, 183398), (214, 99412), (232, 91699), (428, 49706), (856, 24853), (857, 24824), (1714, 12412), (3103, 6856), (3428, 6206)]