21731964

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1109}}^1$

素因数の和:1210

約数の個数: 48

約数和(自身を含む): 53706240

約数和(自身を除く): 31974276

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 71, 92, 138, 142, 213, 276, 284, 426, 852, 1109, 1633, 2218, 3266, 3327, 4436, 4899, 6532, 6654, 9798, 13308, 19596, 25507, 51014, 76521, 78739, 102028, 153042, 157478, 236217, 306084, 314956, 472434, 944868, 1810997, 3621994, 5432991, 7243988, 10865982, 21731964]

約数ペア:

[(1, 21731964), (2, 10865982), (3, 7243988), (4, 5432991), (6, 3621994), (12, 1810997), (23, 944868), (46, 472434), (69, 314956), (71, 306084), (92, 236217), (138, 157478), (142, 153042), (213, 102028), (276, 78739), (284, 76521), (426, 51014), (852, 25507), (1109, 19596), (1633, 13308), (2218, 9798), (3266, 6654), (3327, 6532), (4436, 4899)]