21668154

素因数分解:

$2^1\times 3^1\times {\mathrm{139}}^1\times {\mathrm{25981}}^1$

素因数の和:26125

約数の個数: 16

約数和(自身を含む): 43649760

約数和(自身を除く): 21981606

約数列:

[1, 2, 3, 6, 139, 278, 417, 834, 25981, 51962, 77943, 155886, 3611359, 7222718, 10834077, 21668154]

約数ペア:

[(1, 21668154), (2, 10834077), (3, 7222718), (6, 3611359), (139, 155886), (278, 77943), (417, 51962), (834, 25981)]