21332403

素因数分解:

$3^4\times {\mathrm{223}}^1\times {\mathrm{1181}}^1$

素因数の和:1416

約数の個数: 20

約数和(自身を含む): 32036928

約数和(自身を除く): 10704525

約数列:

[1, 3, 9, 27, 81, 223, 669, 1181, 2007, 3543, 6021, 10629, 18063, 31887, 95661, 263363, 790089, 2370267, 7110801, 21332403]

約数ペア:

[(1, 21332403), (3, 7110801), (9, 2370267), (27, 790089), (81, 263363), (223, 95661), (669, 31887), (1181, 18063), (2007, 10629), (3543, 6021)]