21759056

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{123631}}^1$

素因数の和:123650

約数の個数: 20

約数和(自身を含む): 45991104

約数和(自身を除く): 24232048

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 123631, 247262, 494524, 989048, 1359941, 1978096, 2719882, 5439764, 10879528, 21759056]

約数ペア:

[(1, 21759056), (2, 10879528), (4, 5439764), (8, 2719882), (11, 1978096), (16, 1359941), (22, 989048), (44, 494524), (88, 247262), (176, 123631)]