21017744

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{119419}}^1$

素因数の和:119438

約数の個数: 20

約数和(自身を含む): 44424240

約数和(自身を除く): 23406496

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 119419, 238838, 477676, 955352, 1313609, 1910704, 2627218, 5254436, 10508872, 21017744]

約数ペア:

[(1, 21017744), (2, 10508872), (4, 5254436), (8, 2627218), (11, 1910704), (16, 1313609), (22, 955352), (44, 477676), (88, 238838), (176, 119419)]