21920415170

素因数分解:

$2^1\times 5^1\times {\mathrm{1151}}^1\times {\mathrm{1904467}}^1$

素因数の和:1905625

約数の個数: 16

約数和(自身を含む): 39491048448

約数和(自身を除く): 17570633278

約数列:

[1, 2, 5, 10, 1151, 2302, 5755, 11510, 1904467, 3808934, 9522335, 19044670, 2192041517, 4384083034, 10960207585, 21920415170]

約数ペア:

[(1, 21920415170), (2, 10960207585), (5, 4384083034), (10, 2192041517), (1151, 19044670), (2302, 9522335), (5755, 3808934), (11510, 1904467)]