21664472

素因数分解:

$2^3\times {\mathrm{443}}^1\times {\mathrm{6113}}^1$

素因数の和:6562

約数の個数: 16

約数和(自身を含む): 40719240

約数和(自身を除く): 19054768

約数列:

[1, 2, 4, 8, 443, 886, 1772, 3544, 6113, 12226, 24452, 48904, 2708059, 5416118, 10832236, 21664472]

約数ペア:

[(1, 21664472), (2, 10832236), (4, 5416118), (8, 2708059), (443, 48904), (886, 24452), (1772, 12226), (3544, 6113)]