21704837

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{4621}}^1$

素因数の和:4700

約数の個数: 16

約数和(自身を含む): 27510144

約数和(自身を除く): 5805307

約数列:

[1, 7, 11, 61, 77, 427, 671, 4621, 4697, 32347, 50831, 281881, 355817, 1973167, 3100691, 21704837]

約数ペア:

[(1, 21704837), (7, 3100691), (11, 1973167), (61, 355817), (77, 281881), (427, 50831), (671, 32347), (4621, 4697)]