21166761

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{91631}}^1$

素因数の和:91652

約数の個数: 16

約数和(自身を含む): 35186688

約数和(自身を除く): 14019927

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 91631, 274893, 641417, 1007941, 1924251, 3023823, 7055587, 21166761]

約数ペア:

[(1, 21166761), (3, 7055587), (7, 3023823), (11, 1924251), (21, 1007941), (33, 641417), (77, 274893), (231, 91631)]