21020241

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{733}}^1$

素因数の和:837

約数の個数: 24

約数和(自身を含む): 31239040

約数和(自身を除く): 10218799

約数列:

[1, 3, 11, 33, 79, 121, 237, 363, 733, 869, 2199, 2607, 8063, 9559, 24189, 28677, 57907, 88693, 173721, 266079, 636977, 1910931, 7006747, 21020241]

約数ペア:

[(1, 21020241), (3, 7006747), (11, 1910931), (33, 636977), (79, 266079), (121, 173721), (237, 88693), (363, 57907), (733, 28677), (869, 24189), (2199, 9559), (2607, 8063)]