21522168

素因数分解:

$2^3\times 3^2\times {\mathrm{337}}^1\times {\mathrm{887}}^1$

素因数の和:1236

約数の個数: 48

約数和(自身を含む): 58528080

約数和(自身を除く): 37005912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 337, 674, 887, 1011, 1348, 1774, 2022, 2661, 2696, 3033, 3548, 4044, 5322, 6066, 7096, 7983, 8088, 10644, 12132, 15966, 21288, 24264, 31932, 63864, 298919, 597838, 896757, 1195676, 1793514, 2391352, 2690271, 3587028, 5380542, 7174056, 10761084, 21522168]

約数ペア:

[(1, 21522168), (2, 10761084), (3, 7174056), (4, 5380542), (6, 3587028), (8, 2690271), (9, 2391352), (12, 1793514), (18, 1195676), (24, 896757), (36, 597838), (72, 298919), (337, 63864), (674, 31932), (887, 24264), (1011, 21288), (1348, 15966), (1774, 12132), (2022, 10644), (2661, 8088), (2696, 7983), (3033, 7096), (3548, 6066), (4044, 5322)]