21887900

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{4657}}^1$

素因数の和:4718

約数の個数: 36

約数和(自身を含む): 48517728

約数和(自身を除く): 26629828

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 188, 235, 470, 940, 1175, 2350, 4657, 4700, 9314, 18628, 23285, 46570, 93140, 116425, 218879, 232850, 437758, 465700, 875516, 1094395, 2188790, 4377580, 5471975, 10943950, 21887900]

約数ペア:

[(1, 21887900), (2, 10943950), (4, 5471975), (5, 4377580), (10, 2188790), (20, 1094395), (25, 875516), (47, 465700), (50, 437758), (94, 232850), (100, 218879), (188, 116425), (235, 93140), (470, 46570), (940, 23285), (1175, 18628), (2350, 9314), (4657, 4700)]