2120787753

素因数分解:

$3^1\times 7^1\times {\mathrm{21751}}^1\times {\mathrm{4643}}^1$

素因数の和:26404

約数の個数: 16

約数和(自身を含む): 3232521216

約数和(自身を除く): 1111733463

約数列:

[1, 3, 7, 21, 4643, 13929, 21751, 32501, 65253, 97503, 152257, 456771, 100989893, 302969679, 706929251, 2120787753]

約数ペア:

[(1, 2120787753), (3, 706929251), (7, 302969679), (21, 100989893), (4643, 456771), (13929, 152257), (21751, 97503), (32501, 65253)]