21677744

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{123169}}^1$

素因数の和:123188

約数の個数: 20

約数和(自身を含む): 45819240

約数和(自身を除く): 24141496

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 123169, 246338, 492676, 985352, 1354859, 1970704, 2709718, 5419436, 10838872, 21677744]

約数ペア:

[(1, 21677744), (2, 10838872), (4, 5419436), (8, 2709718), (11, 1970704), (16, 1354859), (22, 985352), (44, 492676), (88, 246338), (176, 123169)]