21094750

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{4441}}^1$

素因数の和:4477

約数の個数: 32

約数和(自身を含む): 41577120

約数和(自身を除く): 20482370

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 475, 950, 2375, 4441, 4750, 8882, 22205, 44410, 84379, 111025, 168758, 222050, 421895, 555125, 843790, 1110250, 2109475, 4218950, 10547375, 21094750]

約数ペア:

[(1, 21094750), (2, 10547375), (5, 4218950), (10, 2109475), (19, 1110250), (25, 843790), (38, 555125), (50, 421895), (95, 222050), (125, 168758), (190, 111025), (250, 84379), (475, 44410), (950, 22205), (2375, 8882), (4441, 4750)]