21196322280

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{21187}}^1$

素因数の和:21608

約数の個数: 192

約数和(自身を含む): 78931232640

約数和(自身を除く): 57734910360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 397, 420, 504, 630, 794, 840, 1191, 1260, 1588, 1985, 2382, 2520, 2779, 3176, 3573, 3970, 4764, 5558, 5955, 7146, 7940, 8337, 9528, 11116, 11910, 13895, 14292, 15880, 16674, 17865, 21187, 22232, 23820, 25011, 27790, 28584, 33348, 35730, 41685, 42374, 47640, 50022, 55580, 63561, 66696, 71460, 83370, 84748, 100044, 105935, 111160, 125055, 127122, 142920, 148309, 166740, 169496, 190683, 200088, 211870, 250110, 254244, 296618, 317805, 333480, 381366, 423740, 444927, 500220, 508488, 593236, 635610, 741545, 762732, 847480, 889854, 953415, 1000440, 1186472, 1271220, 1334781, 1483090, 1525464, 1779708, 1906830, 2224635, 2542440, 2669562, 2966180, 3559416, 3813660, 4449270, 5339124, 5932360, 6673905, 7627320, 8411239, 8898540, 10678248, 13347810, 16822478, 17797080, 25233717, 26695620, 33644956, 42056195, 50467434, 53391240, 58878673, 67289912, 75701151, 84112390, 100934868, 117757346, 126168585, 151402302, 168224780, 176636019, 201869736, 235514692, 252337170, 294393365, 302804604, 336449560, 353272038, 378505755, 471029384, 504674340, 529908057, 588786730, 605609208, 706544076, 757011510, 883180095, 1009348680, 1059816114, 1177573460, 1413088152, 1514023020, 1766360190, 2119632228, 2355146920, 2649540285, 3028046040, 3532720380, 4239264456, 5299080570, 7065440760, 10598161140, 21196322280]

約数ペア:

[(1, 21196322280), (2, 10598161140), (3, 7065440760), (4, 5299080570), (5, 4239264456), (6, 3532720380), (7, 3028046040), (8, 2649540285), (9, 2355146920), (10, 2119632228), (12, 1766360190), (14, 1514023020), (15, 1413088152), (18, 1177573460), (20, 1059816114), (21, 1009348680), (24, 883180095), (28, 757011510), (30, 706544076), (35, 605609208), (36, 588786730), (40, 529908057), (42, 504674340), (45, 471029384), (56, 378505755), (60, 353272038), (63, 336449560), (70, 302804604), (72, 294393365), (84, 252337170), (90, 235514692), (105, 201869736), (120, 176636019), (126, 168224780), (140, 151402302), (168, 126168585), (180, 117757346), (210, 100934868), (252, 84112390), (280, 75701151), (315, 67289912), (360, 58878673), (397, 53391240), (420, 50467434), (504, 42056195), (630, 33644956), (794, 26695620), (840, 25233717), (1191, 17797080), (1260, 16822478), (1588, 13347810), (1985, 10678248), (2382, 8898540), (2520, 8411239), (2779, 7627320), (3176, 6673905), (3573, 5932360), (3970, 5339124), (4764, 4449270), (5558, 3813660), (5955, 3559416), (7146, 2966180), (7940, 2669562), (8337, 2542440), (9528, 2224635), (11116, 1906830), (11910, 1779708), (13895, 1525464), (14292, 1483090), (15880, 1334781), (16674, 1271220), (17865, 1186472), (21187, 1000440), (22232, 953415), (23820, 889854), (25011, 847480), (27790, 762732), (28584, 741545), (33348, 635610), (35730, 593236), (41685, 508488), (42374, 500220), (47640, 444927), (50022, 423740), (55580, 381366), (63561, 333480), (66696, 317805), (71460, 296618), (83370, 254244), (84748, 250110), (100044, 211870), (105935, 200088), (111160, 190683), (125055, 169496), (127122, 166740), (142920, 148309)]