21968957101

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{261557}}^1$

素因数の和:261661

約数の個数: 24

約数和(自身を含む): 27570305664

約数和(自身を除く): 5601348563

約数列:

[1, 7, 13, 71, 91, 169, 497, 923, 1183, 6461, 11999, 83993, 261557, 1830899, 3400241, 18570547, 23801687, 44203133, 129993829, 241417111, 309421931, 1689919777, 3138422443, 21968957101]

約数ペア:

[(1, 21968957101), (7, 3138422443), (13, 1689919777), (71, 309421931), (91, 241417111), (169, 129993829), (497, 44203133), (923, 23801687), (1183, 18570547), (6461, 3400241), (11999, 1830899), (83993, 261557)]