21096439

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1049}}^1$

素因数の和:1099

約数の個数: 24

約数和(自身を含む): 27669600

約数和(自身を除く): 6573161

約数列:

[1, 7, 13, 17, 91, 119, 169, 221, 1049, 1183, 1547, 2873, 7343, 13637, 17833, 20111, 95459, 124831, 177281, 231829, 1240967, 1622803, 3013777, 21096439]

約数ペア:

[(1, 21096439), (7, 3013777), (13, 1622803), (17, 1240967), (91, 231829), (119, 177281), (169, 124831), (221, 95459), (1049, 20111), (1183, 17833), (1547, 13637), (2873, 7343)]