21143848

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{240271}}^1$

素因数の和:240288

約数の個数: 16

約数和(自身を含む): 43248960

約数和(自身を除く): 22105112

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 240271, 480542, 961084, 1922168, 2642981, 5285962, 10571924, 21143848]

約数ペア:

[(1, 21143848), (2, 10571924), (4, 5285962), (8, 2642981), (11, 1922168), (22, 961084), (44, 480542), (88, 240271)]