2021056125

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{241}}^1$

素因数の和:396

約数の個数: 128

約数和(自身を含む): 3914127360

約数和(自身を除く): 1893071235

約数列:

[1, 3, 5, 11, 15, 19, 25, 33, 55, 57, 75, 95, 107, 125, 165, 209, 241, 275, 285, 321, 375, 475, 535, 627, 723, 825, 1045, 1177, 1205, 1375, 1425, 1605, 2033, 2375, 2651, 2675, 3135, 3531, 3615, 4125, 4579, 5225, 5885, 6025, 6099, 7125, 7953, 8025, 10165, 13255, 13375, 13737, 15675, 17655, 18075, 22363, 22895, 25787, 26125, 29425, 30125, 30495, 39765, 40125, 50369, 50825, 66275, 67089, 68685, 77361, 78375, 88275, 90375, 111815, 114475, 128935, 147125, 151107, 152475, 198825, 251845, 254125, 283657, 331375, 335445, 343425, 386805, 441375, 489953, 559075, 572375, 644675, 755535, 762375, 850971, 994125, 1259225, 1418285, 1469859, 1677225, 1717125, 1934025, 2449765, 2795375, 3223375, 3777675, 4254855, 5389483, 6296125, 7091425, 7349295, 8386125, 9670125, 12248825, 16168449, 18888375, 21274275, 26947415, 35457125, 36746475, 61244125, 80842245, 106371375, 134737075, 183732375, 404211225, 673685375, 2021056125]

約数ペア:

[(1, 2021056125), (3, 673685375), (5, 404211225), (11, 183732375), (15, 134737075), (19, 106371375), (25, 80842245), (33, 61244125), (55, 36746475), (57, 35457125), (75, 26947415), (95, 21274275), (107, 18888375), (125, 16168449), (165, 12248825), (209, 9670125), (241, 8386125), (275, 7349295), (285, 7091425), (321, 6296125), (375, 5389483), (475, 4254855), (535, 3777675), (627, 3223375), (723, 2795375), (825, 2449765), (1045, 1934025), (1177, 1717125), (1205, 1677225), (1375, 1469859), (1425, 1418285), (1605, 1259225), (2033, 994125), (2375, 850971), (2651, 762375), (2675, 755535), (3135, 644675), (3531, 572375), (3615, 559075), (4125, 489953), (4579, 441375), (5225, 386805), (5885, 343425), (6025, 335445), (6099, 331375), (7125, 283657), (7953, 254125), (8025, 251845), (10165, 198825), (13255, 152475), (13375, 151107), (13737, 147125), (15675, 128935), (17655, 114475), (18075, 111815), (22363, 90375), (22895, 88275), (25787, 78375), (26125, 77361), (29425, 68685), (30125, 67089), (30495, 66275), (39765, 50825), (40125, 50369)]