21950890920

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{12791}}^1$

素因数の和:13045

約数の個数: 256

約数和(自身を含む): 83997388800

約数和(自身を除く): 62046497880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 227, 252, 270, 280, 315, 360, 378, 420, 454, 504, 540, 630, 681, 756, 840, 908, 945, 1080, 1135, 1260, 1362, 1512, 1589, 1816, 1890, 2043, 2270, 2520, 2724, 3178, 3405, 3780, 4086, 4540, 4767, 5448, 6129, 6356, 6810, 7560, 7945, 8172, 9080, 9534, 10215, 12258, 12712, 12791, 13620, 14301, 15890, 16344, 19068, 20430, 23835, 24516, 25582, 27240, 28602, 30645, 31780, 38136, 38373, 40860, 42903, 47670, 49032, 51164, 57204, 61290, 63560, 63955, 71505, 76746, 81720, 85806, 89537, 95340, 102328, 114408, 115119, 122580, 127910, 143010, 153492, 171612, 179074, 190680, 191865, 214515, 230238, 245160, 255820, 268611, 286020, 306984, 343224, 345357, 358148, 383730, 429030, 447685, 460476, 511640, 537222, 572040, 575595, 690714, 716296, 767460, 805833, 858060, 895370, 920952, 1074444, 1151190, 1343055, 1381428, 1534920, 1611666, 1716120, 1726785, 1790740, 2148888, 2302380, 2417499, 2686110, 2762856, 2903557, 3223332, 3453570, 3581480, 4029165, 4604760, 4834998, 5372220, 5807114, 6446664, 6907140, 8058330, 8710671, 9669996, 10744440, 11614228, 12087495, 13814280, 14517785, 16116660, 17421342, 19339992, 20324899, 23228456, 24174990, 26132013, 29035570, 32233320, 34842684, 40649798, 43553355, 48349980, 52264026, 58071140, 60974697, 69685368, 78396039, 81299596, 87106710, 96699960, 101624495, 104528052, 116142280, 121949394, 130660065, 156792078, 162599192, 174213420, 182924091, 203248990, 209056104, 243898788, 261320130, 304873485, 313584156, 348426840, 365848182, 391980195, 406497980, 487797576, 522640260, 548772273, 609746970, 627168312, 731696364, 783960390, 812995960, 914620455, 1045280520, 1097544546, 1219493940, 1463392728, 1567920780, 1829240910, 2195089092, 2438987880, 2743861365, 3135841560, 3658481820, 4390178184, 5487722730, 7316963640, 10975445460, 21950890920]

約数ペア:

[(1, 21950890920), (2, 10975445460), (3, 7316963640), (4, 5487722730), (5, 4390178184), (6, 3658481820), (7, 3135841560), (8, 2743861365), (9, 2438987880), (10, 2195089092), (12, 1829240910), (14, 1567920780), (15, 1463392728), (18, 1219493940), (20, 1097544546), (21, 1045280520), (24, 914620455), (27, 812995960), (28, 783960390), (30, 731696364), (35, 627168312), (36, 609746970), (40, 548772273), (42, 522640260), (45, 487797576), (54, 406497980), (56, 391980195), (60, 365848182), (63, 348426840), (70, 313584156), (72, 304873485), (84, 261320130), (90, 243898788), (105, 209056104), (108, 203248990), (120, 182924091), (126, 174213420), (135, 162599192), (140, 156792078), (168, 130660065), (180, 121949394), (189, 116142280), (210, 104528052), (216, 101624495), (227, 96699960), (252, 87106710), (270, 81299596), (280, 78396039), (315, 69685368), (360, 60974697), (378, 58071140), (420, 52264026), (454, 48349980), (504, 43553355), (540, 40649798), (630, 34842684), (681, 32233320), (756, 29035570), (840, 26132013), (908, 24174990), (945, 23228456), (1080, 20324899), (1135, 19339992), (1260, 17421342), (1362, 16116660), (1512, 14517785), (1589, 13814280), (1816, 12087495), (1890, 11614228), (2043, 10744440), (2270, 9669996), (2520, 8710671), (2724, 8058330), (3178, 6907140), (3405, 6446664), (3780, 5807114), (4086, 5372220), (4540, 4834998), (4767, 4604760), (5448, 4029165), (6129, 3581480), (6356, 3453570), (6810, 3223332), (7560, 2903557), (7945, 2762856), (8172, 2686110), (9080, 2417499), (9534, 2302380), (10215, 2148888), (12258, 1790740), (12712, 1726785), (12791, 1716120), (13620, 1611666), (14301, 1534920), (15890, 1381428), (16344, 1343055), (19068, 1151190), (20430, 1074444), (23835, 920952), (24516, 895370), (25582, 858060), (27240, 805833), (28602, 767460), (30645, 716296), (31780, 690714), (38136, 575595), (38373, 572040), (40860, 537222), (42903, 511640), (47670, 460476), (49032, 447685), (51164, 429030), (57204, 383730), (61290, 358148), (63560, 345357), (63955, 343224), (71505, 306984), (76746, 286020), (81720, 268611), (85806, 255820), (89537, 245160), (95340, 230238), (102328, 214515), (114408, 191865), (115119, 190680), (122580, 179074), (127910, 171612), (143010, 153492)]