21341588

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{977}}^1$

素因数の和:1151

約数の個数: 24

約数和(自身を含む): 38556672

約数和(自身を除く): 17215084

約数列:

[1, 2, 4, 43, 86, 127, 172, 254, 508, 977, 1954, 3908, 5461, 10922, 21844, 42011, 84022, 124079, 168044, 248158, 496316, 5335397, 10670794, 21341588]

約数ペア:

[(1, 21341588), (2, 10670794), (4, 5335397), (43, 496316), (86, 248158), (127, 168044), (172, 124079), (254, 84022), (508, 42011), (977, 21844), (1954, 10922), (3908, 5461)]