21571248

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:262

約数の個数: 80

約数和(自身を含む): 58183776

約数和(自身を除く): 36612528

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 82, 97, 113, 123, 164, 194, 226, 246, 291, 328, 339, 388, 452, 492, 582, 656, 678, 776, 904, 984, 1164, 1356, 1552, 1808, 1968, 2328, 2712, 3977, 4633, 4656, 5424, 7954, 9266, 10961, 11931, 13899, 15908, 18532, 21922, 23862, 27798, 31816, 32883, 37064, 43844, 47724, 55596, 63632, 65766, 74128, 87688, 95448, 111192, 131532, 175376, 190896, 222384, 263064, 449401, 526128, 898802, 1348203, 1797604, 2696406, 3595208, 5392812, 7190416, 10785624, 21571248]

約数ペア:

[(1, 21571248), (2, 10785624), (3, 7190416), (4, 5392812), (6, 3595208), (8, 2696406), (12, 1797604), (16, 1348203), (24, 898802), (41, 526128), (48, 449401), (82, 263064), (97, 222384), (113, 190896), (123, 175376), (164, 131532), (194, 111192), (226, 95448), (246, 87688), (291, 74128), (328, 65766), (339, 63632), (388, 55596), (452, 47724), (492, 43844), (582, 37064), (656, 32883), (678, 31816), (776, 27798), (904, 23862), (984, 21922), (1164, 18532), (1356, 15908), (1552, 13899), (1808, 11931), (1968, 10961), (2328, 9266), (2712, 7954), (3977, 5424), (4633, 4656)]