21426290

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{126037}}^1$

素因数の和:126061

約数の個数: 16

約数和(自身を含む): 40836312

約数和(自身を除く): 19410022

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 126037, 252074, 630185, 1260370, 2142629, 4285258, 10713145, 21426290]

約数ペア:

[(1, 21426290), (2, 10713145), (5, 4285258), (10, 2142629), (17, 1260370), (34, 630185), (85, 252074), (170, 126037)]