21418002

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{16759}}^1$

素因数の和:16838

約数の個数: 24

約数和(自身を含む): 47062080

約数和(自身を除く): 25644078

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 16759, 33518, 50277, 100554, 150831, 301662, 1189889, 2379778, 3569667, 7139334, 10709001, 21418002]

約数ペア:

[(1, 21418002), (2, 10709001), (3, 7139334), (6, 3569667), (9, 2379778), (18, 1189889), (71, 301662), (142, 150831), (213, 100554), (426, 50277), (639, 33518), (1278, 16759)]