21642886719

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1\times {\mathrm{1181}}^1$

素因数の和:1605

約数の個数: 64

約数和(自身を含む): 34155072000

約数和(自身を除く): 12512185281

約数列:

[1, 3, 9, 19, 27, 57, 139, 171, 257, 417, 513, 771, 1181, 1251, 2313, 2641, 3543, 3753, 4883, 6939, 7923, 10629, 14649, 22439, 23769, 31887, 35723, 43947, 67317, 71307, 107169, 131841, 164159, 201951, 303517, 321507, 492477, 605853, 678737, 910551, 964521, 1477431, 2036211, 2731653, 3119021, 4432293, 5766823, 6108633, 8194959, 9357063, 17300469, 18325899, 28071189, 42188863, 51901407, 84213567, 126566589, 155704221, 379699767, 801588397, 1139099301, 2404765191, 7214295573, 21642886719]

約数ペア:

[(1, 21642886719), (3, 7214295573), (9, 2404765191), (19, 1139099301), (27, 801588397), (57, 379699767), (139, 155704221), (171, 126566589), (257, 84213567), (417, 51901407), (513, 42188863), (771, 28071189), (1181, 18325899), (1251, 17300469), (2313, 9357063), (2641, 8194959), (3543, 6108633), (3753, 5766823), (4883, 4432293), (6939, 3119021), (7923, 2731653), (10629, 2036211), (14649, 1477431), (22439, 964521), (23769, 910551), (31887, 678737), (35723, 605853), (43947, 492477), (67317, 321507), (71307, 303517), (107169, 201951), (131841, 164159)]