21422823

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:323

約数の個数: 24

約数和(自身を含む): 30577536

約数和(自身を除く): 9154713

約数列:

[1, 3, 19, 57, 131, 151, 361, 393, 453, 1083, 2489, 2869, 7467, 8607, 19781, 47291, 54511, 59343, 141873, 163533, 375839, 1127517, 7140941, 21422823]

約数ペア:

[(1, 21422823), (3, 7140941), (19, 1127517), (57, 375839), (131, 163533), (151, 141873), (361, 59343), (393, 54511), (453, 47291), (1083, 19781), (2489, 8607), (2869, 7467)]