21215568

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1747}}^1$

素因数の和:1792

約数の個数: 80

約数和(自身を含む): 62424576

約数和(自身を除く): 41209008

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 23, 24, 33, 44, 46, 48, 66, 69, 88, 92, 132, 138, 176, 184, 253, 264, 276, 368, 506, 528, 552, 759, 1012, 1104, 1518, 1747, 2024, 3036, 3494, 4048, 5241, 6072, 6988, 10482, 12144, 13976, 19217, 20964, 27952, 38434, 40181, 41928, 57651, 76868, 80362, 83856, 115302, 120543, 153736, 160724, 230604, 241086, 307472, 321448, 441991, 461208, 482172, 642896, 883982, 922416, 964344, 1325973, 1767964, 1928688, 2651946, 3535928, 5303892, 7071856, 10607784, 21215568]

約数ペア:

[(1, 21215568), (2, 10607784), (3, 7071856), (4, 5303892), (6, 3535928), (8, 2651946), (11, 1928688), (12, 1767964), (16, 1325973), (22, 964344), (23, 922416), (24, 883982), (33, 642896), (44, 482172), (46, 461208), (48, 441991), (66, 321448), (69, 307472), (88, 241086), (92, 230604), (132, 160724), (138, 153736), (176, 120543), (184, 115302), (253, 83856), (264, 80362), (276, 76868), (368, 57651), (506, 41928), (528, 40181), (552, 38434), (759, 27952), (1012, 20964), (1104, 19217), (1518, 13976), (1747, 12144), (2024, 10482), (3036, 6988), (3494, 6072), (4048, 5241)]