21555832

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{65719}}^1$

素因数の和:65766

約数の個数: 16

約数和(自身を含む): 41403600

約数和(自身を除く): 19847768

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 65719, 131438, 262876, 525752, 2694479, 5388958, 10777916, 21555832]

約数ペア:

[(1, 21555832), (2, 10777916), (4, 5388958), (8, 2694479), (41, 525752), (82, 262876), (164, 131438), (328, 65719)]