21621830026

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{139}}^1\times {\mathrm{215447}}^1$

素因数の和:215626

約数の個数: 24

約数和(自身を含む): 34475988960

約数和(自身を除く): 12854158934

約数列:

[1, 2, 19, 38, 139, 278, 361, 722, 2641, 5282, 50179, 100358, 215447, 430894, 4093493, 8186986, 29947133, 59894266, 77776367, 155552734, 568995527, 1137991054, 10810915013, 21621830026]

約数ペア:

[(1, 21621830026), (2, 10810915013), (19, 1137991054), (38, 568995527), (139, 155552734), (278, 77776367), (361, 59894266), (722, 29947133), (2641, 8186986), (5282, 4093493), (50179, 430894), (100358, 215447)]