21005672040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{607}}^1\times {\mathrm{991}}^1$

素因数の和:1712

約数の個数: 192

約数和(自身を含む): 69155573760

約数和(自身を除く): 48149901720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 97, 120, 180, 194, 291, 360, 388, 485, 582, 607, 776, 873, 970, 991, 1164, 1214, 1455, 1746, 1821, 1940, 1982, 2328, 2428, 2910, 2973, 3035, 3492, 3642, 3880, 3964, 4365, 4856, 4955, 5463, 5820, 5946, 6070, 6984, 7284, 7928, 8730, 8919, 9105, 9910, 10926, 11640, 11892, 12140, 14568, 14865, 17460, 17838, 18210, 19820, 21852, 23784, 24280, 27315, 29730, 34920, 35676, 36420, 39640, 43704, 44595, 54630, 58879, 59460, 71352, 72840, 89190, 96127, 109260, 117758, 118920, 176637, 178380, 192254, 218520, 235516, 288381, 294395, 353274, 356760, 384508, 471032, 480635, 529911, 576762, 588790, 601537, 706548, 769016, 865143, 883185, 961270, 1059822, 1153524, 1177580, 1203074, 1413096, 1441905, 1730286, 1766370, 1804611, 1922540, 2119644, 2307048, 2355160, 2406148, 2649555, 2883810, 3007685, 3460572, 3532740, 3609222, 3845080, 4239288, 4325715, 4812296, 5299110, 5413833, 5767620, 6015370, 6921144, 7065480, 7218444, 8651430, 9023055, 10598220, 10827666, 11535240, 12030740, 14436888, 17302860, 18046110, 21196440, 21655332, 24061480, 27069165, 34605720, 36092220, 43310664, 54138330, 58349089, 72184440, 108276660, 116698178, 175047267, 216553320, 233396356, 291745445, 350094534, 466792712, 525141801, 583490890, 700189068, 875236335, 1050283602, 1166981780, 1400378136, 1750472670, 2100567204, 2333963560, 2625709005, 3500945340, 4201134408, 5251418010, 7001890680, 10502836020, 21005672040]

約数ペア:

[(1, 21005672040), (2, 10502836020), (3, 7001890680), (4, 5251418010), (5, 4201134408), (6, 3500945340), (8, 2625709005), (9, 2333963560), (10, 2100567204), (12, 1750472670), (15, 1400378136), (18, 1166981780), (20, 1050283602), (24, 875236335), (30, 700189068), (36, 583490890), (40, 525141801), (45, 466792712), (60, 350094534), (72, 291745445), (90, 233396356), (97, 216553320), (120, 175047267), (180, 116698178), (194, 108276660), (291, 72184440), (360, 58349089), (388, 54138330), (485, 43310664), (582, 36092220), (607, 34605720), (776, 27069165), (873, 24061480), (970, 21655332), (991, 21196440), (1164, 18046110), (1214, 17302860), (1455, 14436888), (1746, 12030740), (1821, 11535240), (1940, 10827666), (1982, 10598220), (2328, 9023055), (2428, 8651430), (2910, 7218444), (2973, 7065480), (3035, 6921144), (3492, 6015370), (3642, 5767620), (3880, 5413833), (3964, 5299110), (4365, 4812296), (4856, 4325715), (4955, 4239288), (5463, 3845080), (5820, 3609222), (5946, 3532740), (6070, 3460572), (6984, 3007685), (7284, 2883810), (7928, 2649555), (8730, 2406148), (8919, 2355160), (9105, 2307048), (9910, 2119644), (10926, 1922540), (11640, 1804611), (11892, 1766370), (12140, 1730286), (14568, 1441905), (14865, 1413096), (17460, 1203074), (17838, 1177580), (18210, 1153524), (19820, 1059822), (21852, 961270), (23784, 883185), (24280, 865143), (27315, 769016), (29730, 706548), (34920, 601537), (35676, 588790), (36420, 576762), (39640, 529911), (43704, 480635), (44595, 471032), (54630, 384508), (58879, 356760), (59460, 353274), (71352, 294395), (72840, 288381), (89190, 235516), (96127, 218520), (109260, 192254), (117758, 178380), (118920, 176637)]