21180110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{302573}}^1$

素因数の和:302587

約数の個数: 16

約数和(自身を含む): 43570656

約数和(自身を除く): 22390546

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 302573, 605146, 1512865, 2118011, 3025730, 4236022, 10590055, 21180110]

約数ペア:

[(1, 21180110), (2, 10590055), (5, 4236022), (7, 3025730), (10, 2118011), (14, 1512865), (35, 605146), (70, 302573)]