21936290

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{129037}}^1$

素因数の和:129061

約数の個数: 16

約数和(自身を含む): 41808312

約数和(自身を除く): 19872022

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 129037, 258074, 645185, 1290370, 2193629, 4387258, 10968145, 21936290]

約数ペア:

[(1, 21936290), (2, 10968145), (5, 4387258), (10, 2193629), (17, 1290370), (34, 645185), (85, 258074), (170, 129037)]