21175300

素因数分解:

$2^2\times 5^2\times {\mathrm{107}}^1\times {\mathrm{1979}}^1$

素因数の和:2100

約数の個数: 36

約数和(自身を含む): 46403280

約数和(自身を除く): 25227980

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 107, 214, 428, 535, 1070, 1979, 2140, 2675, 3958, 5350, 7916, 9895, 10700, 19790, 39580, 49475, 98950, 197900, 211753, 423506, 847012, 1058765, 2117530, 4235060, 5293825, 10587650, 21175300]

約数ペア:

[(1, 21175300), (2, 10587650), (4, 5293825), (5, 4235060), (10, 2117530), (20, 1058765), (25, 847012), (50, 423506), (100, 211753), (107, 197900), (214, 98950), (428, 49475), (535, 39580), (1070, 19790), (1979, 10700), (2140, 9895), (2675, 7916), (3958, 5350)]