21057651504

素因数分解:

$2^4\times 3^2\times {\mathrm{197}}^1\times {\mathrm{661}}^1\times {\mathrm{1123}}^1$

素因数の和:1995

約数の個数: 120

約数和(自身を含む): 59373757872

約数和(自身を除く): 38316106368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 197, 394, 591, 661, 788, 1123, 1182, 1322, 1576, 1773, 1983, 2246, 2364, 2644, 3152, 3369, 3546, 3966, 4492, 4728, 5288, 5949, 6738, 7092, 7932, 8984, 9456, 10107, 10576, 11898, 13476, 14184, 15864, 17968, 20214, 23796, 26952, 28368, 31728, 40428, 47592, 53904, 80856, 95184, 130217, 161712, 221231, 260434, 390651, 442462, 520868, 663693, 742303, 781302, 884924, 1041736, 1171953, 1327386, 1484606, 1562604, 1769848, 1991079, 2083472, 2226909, 2343906, 2654772, 2969212, 3125208, 3539696, 3982158, 4453818, 4687812, 5309544, 5938424, 6250416, 6680727, 7964316, 8907636, 9375624, 10619088, 11876848, 13361454, 15928632, 17815272, 18751248, 26722908, 31857264, 35630544, 53445816, 106891632, 146233691, 292467382, 438701073, 584934764, 877402146, 1169869528, 1316103219, 1754804292, 2339739056, 2632206438, 3509608584, 5264412876, 7019217168, 10528825752, 21057651504]

約数ペア:

[(1, 21057651504), (2, 10528825752), (3, 7019217168), (4, 5264412876), (6, 3509608584), (8, 2632206438), (9, 2339739056), (12, 1754804292), (16, 1316103219), (18, 1169869528), (24, 877402146), (36, 584934764), (48, 438701073), (72, 292467382), (144, 146233691), (197, 106891632), (394, 53445816), (591, 35630544), (661, 31857264), (788, 26722908), (1123, 18751248), (1182, 17815272), (1322, 15928632), (1576, 13361454), (1773, 11876848), (1983, 10619088), (2246, 9375624), (2364, 8907636), (2644, 7964316), (3152, 6680727), (3369, 6250416), (3546, 5938424), (3966, 5309544), (4492, 4687812), (4728, 4453818), (5288, 3982158), (5949, 3539696), (6738, 3125208), (7092, 2969212), (7932, 2654772), (8984, 2343906), (9456, 2226909), (10107, 2083472), (10576, 1991079), (11898, 1769848), (13476, 1562604), (14184, 1484606), (15864, 1327386), (17968, 1171953), (20214, 1041736), (23796, 884924), (26952, 781302), (28368, 742303), (31728, 663693), (40428, 520868), (47592, 442462), (53904, 390651), (80856, 260434), (95184, 221231), (130217, 161712)]