21933191

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{2309}}^1$

素因数の和:2398

約数の個数: 16

約数和(自身を含む): 26611200

約数和(自身を除く): 4678009

約数列:

[1, 7, 23, 59, 161, 413, 1357, 2309, 9499, 16163, 53107, 136231, 371749, 953617, 3133313, 21933191]

約数ペア:

[(1, 21933191), (7, 3133313), (23, 953617), (59, 371749), (161, 136231), (413, 53107), (1357, 16163), (2309, 9499)]