21270147368

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{937}}^1\times {\mathrm{1153}}^1$

素因数の和:2226

約数の個数: 64

約数和(自身を含む): 42085733760

約数和(自身を除く): 20815586392

約数列:

[1, 2, 4, 8, 23, 46, 92, 107, 184, 214, 428, 856, 937, 1153, 1874, 2306, 2461, 3748, 4612, 4922, 7496, 9224, 9844, 19688, 21551, 26519, 43102, 53038, 86204, 100259, 106076, 123371, 172408, 200518, 212152, 246742, 401036, 493484, 802072, 986968, 1080361, 2160722, 2305957, 2837533, 4321444, 4611914, 5675066, 8642888, 9223828, 11350132, 18447656, 22700264, 24848303, 49696606, 99393212, 115598627, 198786424, 231197254, 462394508, 924789016, 2658768421, 5317536842, 10635073684, 21270147368]

約数ペア:

[(1, 21270147368), (2, 10635073684), (4, 5317536842), (8, 2658768421), (23, 924789016), (46, 462394508), (92, 231197254), (107, 198786424), (184, 115598627), (214, 99393212), (428, 49696606), (856, 24848303), (937, 22700264), (1153, 18447656), (1874, 11350132), (2306, 9223828), (2461, 8642888), (3748, 5675066), (4612, 4611914), (4922, 4321444), (7496, 2837533), (9224, 2305957), (9844, 2160722), (19688, 1080361), (21551, 986968), (26519, 802072), (43102, 493484), (53038, 401036), (86204, 246742), (100259, 212152), (106076, 200518), (123371, 172408)]