21706080

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4111}}^1$

素因数の和:4140

約数の個数: 96

約数和(自身を含む): 74608128

約数和(自身を除く): 52902048

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 220, 240, 264, 330, 352, 440, 480, 528, 660, 880, 1056, 1320, 1760, 2640, 4111, 5280, 8222, 12333, 16444, 20555, 24666, 32888, 41110, 45221, 49332, 61665, 65776, 82220, 90442, 98664, 123330, 131552, 135663, 164440, 180884, 197328, 226105, 246660, 271326, 328880, 361768, 394656, 452210, 493320, 542652, 657760, 678315, 723536, 904420, 986640, 1085304, 1356630, 1447072, 1808840, 1973280, 2170608, 2713260, 3617680, 4341216, 5426520, 7235360, 10853040, 21706080]

約数ペア:

[(1, 21706080), (2, 10853040), (3, 7235360), (4, 5426520), (5, 4341216), (6, 3617680), (8, 2713260), (10, 2170608), (11, 1973280), (12, 1808840), (15, 1447072), (16, 1356630), (20, 1085304), (22, 986640), (24, 904420), (30, 723536), (32, 678315), (33, 657760), (40, 542652), (44, 493320), (48, 452210), (55, 394656), (60, 361768), (66, 328880), (80, 271326), (88, 246660), (96, 226105), (110, 197328), (120, 180884), (132, 164440), (160, 135663), (165, 131552), (176, 123330), (220, 98664), (240, 90442), (264, 82220), (330, 65776), (352, 61665), (440, 49332), (480, 45221), (528, 41110), (660, 32888), (880, 24666), (1056, 20555), (1320, 16444), (1760, 12333), (2640, 8222), (4111, 5280)]