21000772793

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{265567}}^1$

素因数の和:265677

約数の個数: 32

約数和(自身を含む): 28553871360

約数和(自身を除く): 7553098567

約数列:

[1, 7, 11, 13, 77, 79, 91, 143, 553, 869, 1001, 1027, 6083, 7189, 11297, 79079, 265567, 1858969, 2921237, 3452371, 20448659, 20979793, 24166597, 37976081, 146858551, 230777723, 265832567, 272737309, 1615444061, 1909161163, 3000110399, 21000772793]

約数ペア:

[(1, 21000772793), (7, 3000110399), (11, 1909161163), (13, 1615444061), (77, 272737309), (79, 265832567), (91, 230777723), (143, 146858551), (553, 37976081), (869, 24166597), (1001, 20979793), (1027, 20448659), (6083, 3452371), (7189, 2921237), (11297, 1858969), (79079, 265567)]