21304570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{17903}}^1$

素因数の和:17934

約数の個数: 32

約数和(自身を含む): 46407168

約数和(自身を除く): 25102598

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 595, 1190, 17903, 35806, 89515, 125321, 179030, 250642, 304351, 608702, 626605, 1253210, 1521755, 2130457, 3043510, 4260914, 10652285, 21304570]

約数ペア:

[(1, 21304570), (2, 10652285), (5, 4260914), (7, 3043510), (10, 2130457), (14, 1521755), (17, 1253210), (34, 626605), (35, 608702), (70, 304351), (85, 250642), (119, 179030), (170, 125321), (238, 89515), (595, 35806), (1190, 17903)]