21089436

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1777}}^1$

素因数の和:1850

約数の個数: 48

約数和(自身を含む): 52571904

約数和(自身を除く): 31482468

約数列:

[1, 2, 3, 4, 6, 12, 23, 43, 46, 69, 86, 92, 129, 138, 172, 258, 276, 516, 989, 1777, 1978, 2967, 3554, 3956, 5331, 5934, 7108, 10662, 11868, 21324, 40871, 76411, 81742, 122613, 152822, 163484, 229233, 245226, 305644, 458466, 490452, 916932, 1757453, 3514906, 5272359, 7029812, 10544718, 21089436]

約数ペア:

[(1, 21089436), (2, 10544718), (3, 7029812), (4, 5272359), (6, 3514906), (12, 1757453), (23, 916932), (43, 490452), (46, 458466), (69, 305644), (86, 245226), (92, 229233), (129, 163484), (138, 152822), (172, 122613), (258, 81742), (276, 76411), (516, 40871), (989, 21324), (1777, 11868), (1978, 10662), (2967, 7108), (3554, 5934), (3956, 5331)]