21943922

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 45045504

約数和(自身を除く): 23101582

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 97, 113, 143, 154, 182, 194, 226, 286, 679, 791, 1001, 1067, 1243, 1261, 1358, 1469, 1582, 2002, 2134, 2486, 2522, 2938, 7469, 8701, 8827, 10283, 10961, 13871, 14938, 16159, 17402, 17654, 20566, 21922, 27742, 32318, 76727, 97097, 113113, 120571, 142493, 153454, 194194, 226226, 241142, 284986, 843997, 997451, 1567423, 1687994, 1994902, 3134846, 10971961, 21943922]

約数ペア:

[(1, 21943922), (2, 10971961), (7, 3134846), (11, 1994902), (13, 1687994), (14, 1567423), (22, 997451), (26, 843997), (77, 284986), (91, 241142), (97, 226226), (113, 194194), (143, 153454), (154, 142493), (182, 120571), (194, 113113), (226, 97097), (286, 76727), (679, 32318), (791, 27742), (1001, 21922), (1067, 20566), (1243, 17654), (1261, 17402), (1358, 16159), (1469, 14938), (1582, 13871), (2002, 10961), (2134, 10283), (2486, 8827), (2522, 8701), (2938, 7469)]