21585960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:133

約数の個数: 256

約数和(自身を含む): 82944000

約数和(自身を除く): 61358040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 23, 24, 27, 30, 33, 36, 40, 44, 45, 46, 54, 55, 60, 66, 69, 72, 79, 88, 90, 92, 99, 108, 110, 115, 120, 132, 135, 138, 158, 165, 180, 184, 198, 207, 216, 220, 230, 237, 253, 264, 270, 276, 297, 316, 330, 345, 360, 395, 396, 414, 440, 460, 474, 495, 506, 540, 552, 594, 621, 632, 660, 690, 711, 759, 790, 792, 828, 869, 920, 948, 990, 1012, 1035, 1080, 1185, 1188, 1242, 1265, 1320, 1380, 1422, 1485, 1518, 1580, 1656, 1738, 1817, 1896, 1980, 2024, 2070, 2133, 2277, 2370, 2376, 2484, 2530, 2607, 2760, 2844, 2970, 3036, 3105, 3160, 3476, 3555, 3634, 3795, 3960, 4140, 4266, 4345, 4554, 4740, 4968, 5060, 5214, 5451, 5688, 5940, 6072, 6210, 6831, 6952, 7110, 7268, 7590, 7821, 8280, 8532, 8690, 9085, 9108, 9480, 10120, 10428, 10665, 10902, 11385, 11880, 12420, 13035, 13662, 14220, 14536, 15180, 15642, 16353, 17064, 17380, 18170, 18216, 19987, 20856, 21330, 21804, 22770, 23463, 24840, 26070, 27255, 27324, 28440, 30360, 31284, 32706, 34155, 34760, 36340, 39105, 39974, 42660, 43608, 45540, 46926, 49059, 52140, 54510, 54648, 59961, 62568, 65412, 68310, 72680, 78210, 79948, 81765, 85320, 91080, 93852, 98118, 99935, 104280, 109020, 117315, 119922, 130824, 136620, 156420, 159896, 163530, 179883, 187704, 196236, 199870, 218040, 234630, 239844, 245295, 273240, 299805, 312840, 327060, 359766, 392472, 399740, 469260, 479688, 490590, 539649, 599610, 654120, 719532, 799480, 899415, 938520, 981180, 1079298, 1199220, 1439064, 1798830, 1962360, 2158596, 2398440, 2698245, 3597660, 4317192, 5396490, 7195320, 10792980, 21585960]

約数ペア:

[(1, 21585960), (2, 10792980), (3, 7195320), (4, 5396490), (5, 4317192), (6, 3597660), (8, 2698245), (9, 2398440), (10, 2158596), (11, 1962360), (12, 1798830), (15, 1439064), (18, 1199220), (20, 1079298), (22, 981180), (23, 938520), (24, 899415), (27, 799480), (30, 719532), (33, 654120), (36, 599610), (40, 539649), (44, 490590), (45, 479688), (46, 469260), (54, 399740), (55, 392472), (60, 359766), (66, 327060), (69, 312840), (72, 299805), (79, 273240), (88, 245295), (90, 239844), (92, 234630), (99, 218040), (108, 199870), (110, 196236), (115, 187704), (120, 179883), (132, 163530), (135, 159896), (138, 156420), (158, 136620), (165, 130824), (180, 119922), (184, 117315), (198, 109020), (207, 104280), (216, 99935), (220, 98118), (230, 93852), (237, 91080), (253, 85320), (264, 81765), (270, 79948), (276, 78210), (297, 72680), (316, 68310), (330, 65412), (345, 62568), (360, 59961), (395, 54648), (396, 54510), (414, 52140), (440, 49059), (460, 46926), (474, 45540), (495, 43608), (506, 42660), (540, 39974), (552, 39105), (594, 36340), (621, 34760), (632, 34155), (660, 32706), (690, 31284), (711, 30360), (759, 28440), (790, 27324), (792, 27255), (828, 26070), (869, 24840), (920, 23463), (948, 22770), (990, 21804), (1012, 21330), (1035, 20856), (1080, 19987), (1185, 18216), (1188, 18170), (1242, 17380), (1265, 17064), (1320, 16353), (1380, 15642), (1422, 15180), (1485, 14536), (1518, 14220), (1580, 13662), (1656, 13035), (1738, 12420), (1817, 11880), (1896, 11385), (1980, 10902), (2024, 10665), (2070, 10428), (2133, 10120), (2277, 9480), (2370, 9108), (2376, 9085), (2484, 8690), (2530, 8532), (2607, 8280), (2760, 7821), (2844, 7590), (2970, 7268), (3036, 7110), (3105, 6952), (3160, 6831), (3476, 6210), (3555, 6072), (3634, 5940), (3795, 5688), (3960, 5451), (4140, 5214), (4266, 5060), (4345, 4968), (4554, 4740)]