21528750

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{5741}}^1$

素因数の和:5766

約数の個数: 40

約数和(自身を含む): 53814024

約数和(自身を除く): 32285274

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 250, 375, 625, 750, 1250, 1875, 3750, 5741, 11482, 17223, 28705, 34446, 57410, 86115, 143525, 172230, 287050, 430575, 717625, 861150, 1435250, 2152875, 3588125, 4305750, 7176250, 10764375, 21528750]

約数ペア:

[(1, 21528750), (2, 10764375), (3, 7176250), (5, 4305750), (6, 3588125), (10, 2152875), (15, 1435250), (25, 861150), (30, 717625), (50, 430575), (75, 287050), (125, 172230), (150, 143525), (250, 86115), (375, 57410), (625, 34446), (750, 28705), (1250, 17223), (1875, 11482), (3750, 5741)]