21545911485

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:468

約数の個数: 192

約数和(自身を含む): 45218234880

約数和(自身を除く): 23672323395

約数列:

[1, 3, 5, 7, 9, 15, 21, 29, 35, 45, 63, 83, 87, 105, 145, 157, 181, 203, 249, 261, 315, 415, 435, 471, 543, 581, 609, 747, 785, 905, 1015, 1099, 1245, 1267, 1305, 1413, 1629, 1743, 1827, 2355, 2407, 2715, 2905, 3045, 3297, 3735, 3801, 4553, 5229, 5249, 5495, 6335, 7065, 7221, 8145, 8715, 9135, 9891, 11403, 12035, 13031, 13659, 15023, 15747, 16485, 16849, 19005, 21663, 22765, 26145, 26245, 28417, 31871, 36105, 36743, 39093, 40977, 45069, 47241, 49455, 50547, 57015, 65155, 68295, 75115, 78735, 84245, 85251, 91217, 95613, 105161, 108315, 110229, 117279, 135207, 142085, 151641, 159355, 183715, 195465, 198919, 204885, 225345, 236205, 252735, 255753, 273651, 286839, 315483, 330687, 377899, 426255, 435667, 456085, 478065, 525805, 551145, 586395, 596757, 676035, 758205, 820953, 824093, 946449, 994595, 1133697, 1278765, 1307001, 1368255, 1434195, 1577415, 1653435, 1790271, 1889495, 2178335, 2358611, 2472279, 2645293, 2983785, 3049669, 3401091, 3921003, 4104765, 4120465, 4732245, 5668485, 5768651, 6535005, 7075833, 7416837, 7935879, 8951355, 9149007, 11793055, 12361395, 13226465, 15248345, 16510277, 17005455, 17305953, 19605015, 21227499, 23807637, 27447021, 28843255, 35379165, 37084185, 39679395, 45745035, 49530831, 51917859, 68399719, 82551385, 86529765, 106137495, 119038185, 137235105, 148592493, 205199157, 247654155, 259589295, 341998595, 478798033, 615597471, 742962465, 1025995785, 1436394099, 2393990165, 3077987355, 4309182297, 7181970495, 21545911485]

約数ペア:

[(1, 21545911485), (3, 7181970495), (5, 4309182297), (7, 3077987355), (9, 2393990165), (15, 1436394099), (21, 1025995785), (29, 742962465), (35, 615597471), (45, 478798033), (63, 341998595), (83, 259589295), (87, 247654155), (105, 205199157), (145, 148592493), (157, 137235105), (181, 119038185), (203, 106137495), (249, 86529765), (261, 82551385), (315, 68399719), (415, 51917859), (435, 49530831), (471, 45745035), (543, 39679395), (581, 37084185), (609, 35379165), (747, 28843255), (785, 27447021), (905, 23807637), (1015, 21227499), (1099, 19605015), (1245, 17305953), (1267, 17005455), (1305, 16510277), (1413, 15248345), (1629, 13226465), (1743, 12361395), (1827, 11793055), (2355, 9149007), (2407, 8951355), (2715, 7935879), (2905, 7416837), (3045, 7075833), (3297, 6535005), (3735, 5768651), (3801, 5668485), (4553, 4732245), (5229, 4120465), (5249, 4104765), (5495, 3921003), (6335, 3401091), (7065, 3049669), (7221, 2983785), (8145, 2645293), (8715, 2472279), (9135, 2358611), (9891, 2178335), (11403, 1889495), (12035, 1790271), (13031, 1653435), (13659, 1577415), (15023, 1434195), (15747, 1368255), (16485, 1307001), (16849, 1278765), (19005, 1133697), (21663, 994595), (22765, 946449), (26145, 824093), (26245, 820953), (28417, 758205), (31871, 676035), (36105, 596757), (36743, 586395), (39093, 551145), (40977, 525805), (45069, 478065), (47241, 456085), (49455, 435667), (50547, 426255), (57015, 377899), (65155, 330687), (68295, 315483), (75115, 286839), (78735, 273651), (84245, 255753), (85251, 252735), (91217, 236205), (95613, 225345), (105161, 204885), (108315, 198919), (110229, 195465), (117279, 183715), (135207, 159355), (142085, 151641)]