21526351

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{4583}}^1$

素因数の和:4662

約数の個数: 16

約数和(自身を含む): 27283968

約数和(自身を除く): 5757617

約数列:

[1, 7, 11, 61, 77, 427, 671, 4583, 4697, 32081, 50413, 279563, 352891, 1956941, 3075193, 21526351]

約数ペア:

[(1, 21526351), (7, 3075193), (11, 1956941), (61, 352891), (77, 279563), (427, 50413), (671, 32081), (4583, 4697)]