21160644

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1783}}^1$

素因数の和:1856

約数の個数: 48

約数和(自身を含む): 52749312

約数和(自身を除く): 31588668

約数列:

[1, 2, 3, 4, 6, 12, 23, 43, 46, 69, 86, 92, 129, 138, 172, 258, 276, 516, 989, 1783, 1978, 2967, 3566, 3956, 5349, 5934, 7132, 10698, 11868, 21396, 41009, 76669, 82018, 123027, 153338, 164036, 230007, 246054, 306676, 460014, 492108, 920028, 1763387, 3526774, 5290161, 7053548, 10580322, 21160644]

約数ペア:

[(1, 21160644), (2, 10580322), (3, 7053548), (4, 5290161), (6, 3526774), (12, 1763387), (23, 920028), (43, 492108), (46, 460014), (69, 306676), (86, 246054), (92, 230007), (129, 164036), (138, 153338), (172, 123027), (258, 82018), (276, 76669), (516, 41009), (989, 21396), (1783, 11868), (1978, 10698), (2967, 7132), (3566, 5934), (3956, 5349)]