21341047

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12343}}^1$

素因数の和:12382

約数の個数: 16

約数和(自身を含む): 27650560

約数和(自身を除く): 6309513

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 12343, 86401, 160459, 234517, 1123213, 1641619, 3048721, 21341047]

約数ペア:

[(1, 21341047), (7, 3048721), (13, 1641619), (19, 1123213), (91, 234517), (133, 160459), (247, 86401), (1729, 12343)]