21210019922

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2281}}^1\times {\mathrm{2689}}^1$

素因数の和:5011

約数の個数: 64

約数和(自身を含む): 41251257600

約数和(自身を除く): 20041237678

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 247, 266, 494, 1729, 2281, 2689, 3458, 4562, 5378, 15967, 18823, 29653, 31934, 34957, 37646, 43339, 51091, 59306, 69914, 86678, 102182, 207571, 244699, 303373, 357637, 415142, 489398, 563407, 606746, 664183, 715274, 1126814, 1328366, 3943849, 4649281, 6133609, 7887698, 9298562, 12267218, 42935263, 79736917, 85870526, 116538571, 159473834, 233077142, 558158419, 815769997, 1116316838, 1515001423, 1631539994, 3030002846, 10605009961, 21210019922]

約数ペア:

[(1, 21210019922), (2, 10605009961), (7, 3030002846), (13, 1631539994), (14, 1515001423), (19, 1116316838), (26, 815769997), (38, 558158419), (91, 233077142), (133, 159473834), (182, 116538571), (247, 85870526), (266, 79736917), (494, 42935263), (1729, 12267218), (2281, 9298562), (2689, 7887698), (3458, 6133609), (4562, 4649281), (5378, 3943849), (15967, 1328366), (18823, 1126814), (29653, 715274), (31934, 664183), (34957, 606746), (37646, 563407), (43339, 489398), (51091, 415142), (59306, 357637), (69914, 303373), (86678, 244699), (102182, 207571)]