21356148002

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{275201}}^1$

素因数の和:275474

約数の個数: 32

約数和(自身を含む): 38360957184

約数和(自身を除く): 17004809182

約数列:

[1, 2, 7, 14, 23, 46, 161, 241, 322, 482, 1687, 3374, 5543, 11086, 38801, 77602, 275201, 550402, 1926407, 3852814, 6329623, 12659246, 44307361, 66323441, 88614722, 132646882, 464264087, 928528174, 1525439143, 3050878286, 10678074001, 21356148002]

約数ペア:

[(1, 21356148002), (2, 10678074001), (7, 3050878286), (14, 1525439143), (23, 928528174), (46, 464264087), (161, 132646882), (241, 88614722), (322, 66323441), (482, 44307361), (1687, 12659246), (3374, 6329623), (5543, 3852814), (11086, 1926407), (38801, 550402), (77602, 275201)]