21986482

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{68281}}^1$

素因数の和:68313

約数の個数: 16

約数和(自身を含む): 39330432

約数和(自身を除く): 17343950

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 68281, 136562, 477967, 955934, 1570463, 3140926, 10993241, 21986482]

約数ペア:

[(1, 21986482), (2, 10993241), (7, 3140926), (14, 1570463), (23, 955934), (46, 477967), (161, 136562), (322, 68281)]