21622258

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{12161}}^1$

素因数の和:12297

約数の個数: 16

約数和(自身を含む): 37361664

約数和(自身を除く): 15739406

約数列:

[1, 2, 7, 14, 127, 254, 889, 1778, 12161, 24322, 85127, 170254, 1544447, 3088894, 10811129, 21622258]

約数ペア:

[(1, 21622258), (2, 10811129), (7, 3088894), (14, 1544447), (127, 170254), (254, 85127), (889, 24322), (1778, 12161)]