21457318020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1\times {\mathrm{397}}^1$

素因数の和:750

約数の個数: 192

約数和(自身を含む): 62546190336

約数和(自身を除く): 41088872316

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 127, 164, 173, 205, 246, 254, 346, 381, 397, 410, 492, 508, 519, 615, 635, 692, 762, 794, 820, 865, 1038, 1191, 1230, 1270, 1524, 1588, 1730, 1905, 1985, 2076, 2382, 2460, 2540, 2595, 3460, 3810, 3970, 4764, 5190, 5207, 5955, 7093, 7620, 7940, 10380, 10414, 11910, 14186, 15621, 16277, 20828, 21279, 21971, 23820, 26035, 28372, 31242, 32554, 35465, 42558, 43942, 48831, 50419, 52070, 62484, 65108, 65913, 68681, 70930, 78105, 81385, 85116, 87884, 97662, 100838, 104140, 106395, 109855, 131826, 137362, 141860, 151257, 156210, 162770, 195324, 201676, 206043, 212790, 219710, 244155, 252095, 263652, 274724, 302514, 312420, 325540, 329565, 343405, 412086, 425580, 439420, 488310, 504190, 605028, 659130, 686810, 756285, 824172, 900811, 976620, 1008380, 1030215, 1318260, 1373620, 1512570, 1801622, 2060430, 2067179, 2702433, 2815921, 3025140, 3603244, 4120860, 4134358, 4504055, 5404866, 5631842, 6201537, 8268716, 8447763, 8722487, 9008110, 10335895, 10809732, 11263684, 12403074, 13512165, 14079605, 16895526, 17444974, 18016220, 20671790, 24806148, 26167461, 27024330, 28159210, 31007685, 33791052, 34889948, 41343580, 42238815, 43612435, 52334922, 54048660, 56318420, 62015370, 84477630, 87224870, 104669844, 124030740, 130837305, 168955260, 174449740, 261674610, 357621967, 523349220, 715243934, 1072865901, 1430487868, 1788109835, 2145731802, 3576219670, 4291463604, 5364329505, 7152439340, 10728659010, 21457318020]

約数ペア:

[(1, 21457318020), (2, 10728659010), (3, 7152439340), (4, 5364329505), (5, 4291463604), (6, 3576219670), (10, 2145731802), (12, 1788109835), (15, 1430487868), (20, 1072865901), (30, 715243934), (41, 523349220), (60, 357621967), (82, 261674610), (123, 174449740), (127, 168955260), (164, 130837305), (173, 124030740), (205, 104669844), (246, 87224870), (254, 84477630), (346, 62015370), (381, 56318420), (397, 54048660), (410, 52334922), (492, 43612435), (508, 42238815), (519, 41343580), (615, 34889948), (635, 33791052), (692, 31007685), (762, 28159210), (794, 27024330), (820, 26167461), (865, 24806148), (1038, 20671790), (1191, 18016220), (1230, 17444974), (1270, 16895526), (1524, 14079605), (1588, 13512165), (1730, 12403074), (1905, 11263684), (1985, 10809732), (2076, 10335895), (2382, 9008110), (2460, 8722487), (2540, 8447763), (2595, 8268716), (3460, 6201537), (3810, 5631842), (3970, 5404866), (4764, 4504055), (5190, 4134358), (5207, 4120860), (5955, 3603244), (7093, 3025140), (7620, 2815921), (7940, 2702433), (10380, 2067179), (10414, 2060430), (11910, 1801622), (14186, 1512570), (15621, 1373620), (16277, 1318260), (20828, 1030215), (21279, 1008380), (21971, 976620), (23820, 900811), (26035, 824172), (28372, 756285), (31242, 686810), (32554, 659130), (35465, 605028), (42558, 504190), (43942, 488310), (48831, 439420), (50419, 425580), (52070, 412086), (62484, 343405), (65108, 329565), (65913, 325540), (68681, 312420), (70930, 302514), (78105, 274724), (81385, 263652), (85116, 252095), (87884, 244155), (97662, 219710), (100838, 212790), (104140, 206043), (106395, 201676), (109855, 195324), (131826, 162770), (137362, 156210), (141860, 151257)]