21256086

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{208393}}^1$

素因数の和:208415

約数の個数: 16

約数和(自身を含む): 45013104

約数和(自身を除く): 23757018

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 208393, 416786, 625179, 1250358, 3542681, 7085362, 10628043, 21256086]

約数ペア:

[(1, 21256086), (2, 10628043), (3, 7085362), (6, 3542681), (17, 1250358), (34, 625179), (51, 416786), (102, 208393)]