21167503551

素因数分解:

$3^3\times {\mathrm{14779}}^1\times {\mathrm{53047}}^1$

素因数の和:67835

約数の個数: 16

約数和(自身を含む): 31361977600

約数和(自身を除く): 10194474049

約数列:

[1, 3, 9, 27, 14779, 44337, 53047, 133011, 159141, 399033, 477423, 1432269, 783981613, 2351944839, 7055834517, 21167503551]

約数ペア:

[(1, 21167503551), (3, 7055834517), (9, 2351944839), (27, 783981613), (14779, 1432269), (44337, 477423), (53047, 399033), (133011, 159141)]