2021165920

素因数分解:

$2^5\times 5^1\times {\mathrm{173}}^1\times {\mathrm{73019}}^1$

素因数の和:73207

約数の個数: 48

約数和(自身を含む): 4802671440

約数和(自身を除く): 2781505520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 173, 346, 692, 865, 1384, 1730, 2768, 3460, 5536, 6920, 13840, 27680, 73019, 146038, 292076, 365095, 584152, 730190, 1168304, 1460380, 2336608, 2920760, 5841520, 11683040, 12632287, 25264574, 50529148, 63161435, 101058296, 126322870, 202116592, 252645740, 404233184, 505291480, 1010582960, 2021165920]

約数ペア:

[(1, 2021165920), (2, 1010582960), (4, 505291480), (5, 404233184), (8, 252645740), (10, 202116592), (16, 126322870), (20, 101058296), (32, 63161435), (40, 50529148), (80, 25264574), (160, 12632287), (173, 11683040), (346, 5841520), (692, 2920760), (865, 2336608), (1384, 1460380), (1730, 1168304), (2768, 730190), (3460, 584152), (5536, 365095), (6920, 292076), (13840, 146038), (27680, 73019)]