21743397

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{6883}}^1$

素因数の和:6911

約数の個数: 24

約数和(自身を含む): 35080864

約数和(自身を除く): 13337467

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053, 3159, 6883, 20649, 61947, 89479, 185841, 268437, 557523, 805311, 1672569, 2415933, 7247799, 21743397]

約数ペア:

[(1, 21743397), (3, 7247799), (9, 2415933), (13, 1672569), (27, 805311), (39, 557523), (81, 268437), (117, 185841), (243, 89479), (351, 61947), (1053, 20649), (3159, 6883)]