21556428

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{941}}^1$

素因数の和:1054

約数の個数: 48

約数和(自身を含む): 53174016

約数和(自身を除く): 31617588

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 83, 92, 138, 166, 249, 276, 332, 498, 941, 996, 1882, 1909, 2823, 3764, 3818, 5646, 5727, 7636, 11292, 11454, 21643, 22908, 43286, 64929, 78103, 86572, 129858, 156206, 234309, 259716, 312412, 468618, 937236, 1796369, 3592738, 5389107, 7185476, 10778214, 21556428]

約数ペア:

[(1, 21556428), (2, 10778214), (3, 7185476), (4, 5389107), (6, 3592738), (12, 1796369), (23, 937236), (46, 468618), (69, 312412), (83, 259716), (92, 234309), (138, 156206), (166, 129858), (249, 86572), (276, 78103), (332, 64929), (498, 43286), (941, 22908), (996, 21643), (1882, 11454), (1909, 11292), (2823, 7636), (3764, 5727), (3818, 5646)]