21441335

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{1307}}^1$

素因数の和:1522

約数の個数: 16

約数和(自身を含む): 27405216

約数和(自身を除く): 5963881

約数列:

[1, 5, 17, 85, 193, 965, 1307, 3281, 6535, 16405, 22219, 111095, 252251, 1261255, 4288267, 21441335]

約数ペア:

[(1, 21441335), (5, 4288267), (17, 1261255), (85, 252251), (193, 111095), (965, 22219), (1307, 16405), (3281, 6535)]