21560647563

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{5581}}^1$

素因数の和:5749

約数の個数: 96

約数和(自身を含む): 39499125120

約数和(自身を除く): 17938477557

約数列:

[1, 3, 7, 9, 13, 21, 39, 53, 63, 89, 91, 117, 159, 267, 273, 371, 477, 623, 689, 801, 819, 1113, 1157, 1869, 2067, 3339, 3471, 4717, 4823, 5581, 5607, 6201, 8099, 10413, 14151, 14469, 16743, 24297, 33019, 39067, 42453, 43407, 50229, 61321, 72553, 72891, 99057, 117201, 183963, 217659, 295793, 297171, 351603, 429247, 496709, 507871, 551889, 652977, 887379, 1287741, 1490127, 1523613, 2070551, 2662137, 3476963, 3845309, 3863223, 4470381, 4570839, 6211653, 6457217, 10430889, 11535927, 18634959, 19371651, 26325577, 26917163, 31292667, 34607781, 45200519, 58114953, 78976731, 80751489, 135601557, 184279039, 236930193, 242254467, 342232501, 406804671, 552837117, 1026697503, 1658511351, 2395627507, 3080092509, 7186882521, 21560647563]

約数ペア:

[(1, 21560647563), (3, 7186882521), (7, 3080092509), (9, 2395627507), (13, 1658511351), (21, 1026697503), (39, 552837117), (53, 406804671), (63, 342232501), (89, 242254467), (91, 236930193), (117, 184279039), (159, 135601557), (267, 80751489), (273, 78976731), (371, 58114953), (477, 45200519), (623, 34607781), (689, 31292667), (801, 26917163), (819, 26325577), (1113, 19371651), (1157, 18634959), (1869, 11535927), (2067, 10430889), (3339, 6457217), (3471, 6211653), (4717, 4570839), (4823, 4470381), (5581, 3863223), (5607, 3845309), (6201, 3476963), (8099, 2662137), (10413, 2070551), (14151, 1523613), (14469, 1490127), (16743, 1287741), (24297, 887379), (33019, 652977), (39067, 551889), (42453, 507871), (43407, 496709), (50229, 429247), (61321, 351603), (72553, 297171), (72891, 295793), (99057, 217659), (117201, 183963)]