21235968552

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1\times {\mathrm{1277}}^1$

素因数の和:1691

約数の個数: 128

約数和(自身を含む): 55642688640

約数和(自身を除く): 34406720088

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 61, 74, 111, 122, 148, 183, 222, 244, 296, 307, 366, 444, 488, 614, 732, 888, 921, 1228, 1277, 1464, 1842, 2257, 2456, 2554, 3684, 3831, 4514, 5108, 6771, 7368, 7662, 9028, 10216, 11359, 13542, 15324, 18056, 18727, 22718, 27084, 30648, 34077, 37454, 45436, 47249, 54168, 56181, 68154, 74908, 77897, 90872, 94498, 112362, 136308, 141747, 149816, 155794, 188996, 224724, 233691, 272616, 283494, 311588, 377992, 392039, 449448, 467382, 566988, 623176, 692899, 784078, 934764, 1133976, 1176117, 1385798, 1568156, 1869528, 2078697, 2352234, 2771596, 2882189, 3136312, 4157394, 4704468, 5543192, 5764378, 8314788, 8646567, 9408936, 11528756, 14505443, 16629576, 17293134, 23057512, 23914379, 29010886, 34586268, 43516329, 47828758, 58021772, 69172536, 71743137, 87032658, 95657516, 116043544, 143486274, 174065316, 191315032, 286972548, 348130632, 573945096, 884832023, 1769664046, 2654496069, 3539328092, 5308992138, 7078656184, 10617984276, 21235968552]

約数ペア:

[(1, 21235968552), (2, 10617984276), (3, 7078656184), (4, 5308992138), (6, 3539328092), (8, 2654496069), (12, 1769664046), (24, 884832023), (37, 573945096), (61, 348130632), (74, 286972548), (111, 191315032), (122, 174065316), (148, 143486274), (183, 116043544), (222, 95657516), (244, 87032658), (296, 71743137), (307, 69172536), (366, 58021772), (444, 47828758), (488, 43516329), (614, 34586268), (732, 29010886), (888, 23914379), (921, 23057512), (1228, 17293134), (1277, 16629576), (1464, 14505443), (1842, 11528756), (2257, 9408936), (2456, 8646567), (2554, 8314788), (3684, 5764378), (3831, 5543192), (4514, 4704468), (5108, 4157394), (6771, 3136312), (7368, 2882189), (7662, 2771596), (9028, 2352234), (10216, 2078697), (11359, 1869528), (13542, 1568156), (15324, 1385798), (18056, 1176117), (18727, 1133976), (22718, 934764), (27084, 784078), (30648, 692899), (34077, 623176), (37454, 566988), (45436, 467382), (47249, 449448), (54168, 392039), (56181, 377992), (68154, 311588), (74908, 283494), (77897, 272616), (90872, 233691), (94498, 224724), (112362, 188996), (136308, 155794), (141747, 149816)]