21425701

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{863}}^1$

素因数の和:972

約数の個数: 16

約数和(自身を含む): 24427008

約数和(自身を除く): 3001307

約数列:

[1, 11, 37, 61, 407, 671, 863, 2257, 9493, 24827, 31931, 52643, 351241, 579073, 1947791, 21425701]

約数ペア:

[(1, 21425701), (11, 1947791), (37, 579073), (61, 351241), (407, 52643), (671, 31931), (863, 24827), (2257, 9493)]