21094575

素因数分解:

$3^1\times 5^2\times {\mathrm{137}}^1\times {\mathrm{2053}}^1$

素因数の和:2203

約数の個数: 24

約数和(自身を含む): 35148048

約数和(自身を除く): 14053473

約数列:

[1, 3, 5, 15, 25, 75, 137, 411, 685, 2053, 2055, 3425, 6159, 10265, 10275, 30795, 51325, 153975, 281261, 843783, 1406305, 4218915, 7031525, 21094575]

約数ペア:

[(1, 21094575), (3, 7031525), (5, 4218915), (15, 1406305), (25, 843783), (75, 281261), (137, 153975), (411, 51325), (685, 30795), (2053, 10275), (2055, 10265), (3425, 6159)]