21659219835

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{607}}^1\times {\mathrm{12721}}^1$

素因数の和:13364

約数の個数: 64

約数和(自身を含む): 40098115584

約数和(自身を除く): 18438895749

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 607, 935, 1821, 2805, 3035, 6677, 9105, 10319, 12721, 20031, 30957, 33385, 38163, 51595, 63605, 100155, 113509, 139931, 154785, 190815, 216257, 340527, 419793, 567545, 648771, 699655, 1081285, 1702635, 2098965, 2378827, 3243855, 7136481, 7721647, 11894135, 23164941, 35682405, 38608235, 84938117, 115824705, 131267999, 254814351, 393803997, 424690585, 656339995, 1274071755, 1443947989, 1969019985, 4331843967, 7219739945, 21659219835]

約数ペア:

[(1, 21659219835), (3, 7219739945), (5, 4331843967), (11, 1969019985), (15, 1443947989), (17, 1274071755), (33, 656339995), (51, 424690585), (55, 393803997), (85, 254814351), (165, 131267999), (187, 115824705), (255, 84938117), (561, 38608235), (607, 35682405), (935, 23164941), (1821, 11894135), (2805, 7721647), (3035, 7136481), (6677, 3243855), (9105, 2378827), (10319, 2098965), (12721, 1702635), (20031, 1081285), (30957, 699655), (33385, 648771), (38163, 567545), (51595, 419793), (63605, 340527), (100155, 216257), (113509, 190815), (139931, 154785)]