21184017

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{1373}}^1$

素因数の和:1552

約数の個数: 16

約数和(自身を含む): 29238720

約数和(自身を除く): 8054703

約数列:

[1, 3, 37, 111, 139, 417, 1373, 4119, 5143, 15429, 50801, 152403, 190847, 572541, 7061339, 21184017]

約数ペア:

[(1, 21184017), (3, 7061339), (37, 572541), (111, 190847), (139, 152403), (417, 50801), (1373, 15429), (4119, 5143)]