21565103634

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{130807}}^1$

素因数の和:130932

約数の個数: 64

約数和(自身を含む): 49727969280

約数和(自身を除く): 28162865646

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 71, 86, 129, 142, 213, 258, 387, 426, 639, 774, 1161, 1278, 1917, 2322, 3053, 3834, 6106, 9159, 18318, 27477, 54954, 82431, 130807, 164862, 261614, 392421, 784842, 1177263, 2354526, 3531789, 5624701, 7063578, 9287297, 11249402, 16874103, 18574594, 27861891, 33748206, 50622309, 55723782, 83585673, 101244618, 151866927, 167171346, 250757019, 303733854, 399353771, 501514038, 798707542, 1198061313, 2396122626, 3594183939, 7188367878, 10782551817, 21565103634]

約数ペア:

[(1, 21565103634), (2, 10782551817), (3, 7188367878), (6, 3594183939), (9, 2396122626), (18, 1198061313), (27, 798707542), (43, 501514038), (54, 399353771), (71, 303733854), (86, 250757019), (129, 167171346), (142, 151866927), (213, 101244618), (258, 83585673), (387, 55723782), (426, 50622309), (639, 33748206), (774, 27861891), (1161, 18574594), (1278, 16874103), (1917, 11249402), (2322, 9287297), (3053, 7063578), (3834, 5624701), (6106, 3531789), (9159, 2354526), (18318, 1177263), (27477, 784842), (54954, 392421), (82431, 261614), (130807, 164862)]