21864657

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{733}}^1$

素因数の和:960

約数の個数: 16

約数和(自身を含む): 29853248

約数和(自身を除く): 7988591

約数列:

[1, 3, 61, 163, 183, 489, 733, 2199, 9943, 29829, 44713, 119479, 134139, 358437, 7288219, 21864657]

約数ペア:

[(1, 21864657), (3, 7288219), (61, 358437), (163, 134139), (183, 119479), (489, 44713), (733, 29829), (2199, 9943)]