21819832

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{577}}^1$

素因数の和:775

約数の個数: 32

約数和(自身を含む): 42656400

約数和(自身を除く): 20836568

約数列:

[1, 2, 4, 8, 29, 58, 116, 163, 232, 326, 577, 652, 1154, 1304, 2308, 4616, 4727, 9454, 16733, 18908, 33466, 37816, 66932, 94051, 133864, 188102, 376204, 752408, 2727479, 5454958, 10909916, 21819832]

約数ペア:

[(1, 21819832), (2, 10909916), (4, 5454958), (8, 2727479), (29, 752408), (58, 376204), (116, 188102), (163, 133864), (232, 94051), (326, 66932), (577, 37816), (652, 33466), (1154, 18908), (1304, 16733), (2308, 9454), (4616, 4727)]