21375886

素因数分解:

$2^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{6553}}^1$

素因数の和:6795

約数の個数: 16

約数和(自身を含む): 36807264

約数和(自身を除く): 15431378

約数列:

[1, 2, 7, 14, 233, 466, 1631, 3262, 6553, 13106, 45871, 91742, 1526849, 3053698, 10687943, 21375886]

約数ペア:

[(1, 21375886), (2, 10687943), (7, 3053698), (14, 1526849), (233, 91742), (466, 45871), (1631, 13106), (3262, 6553)]