21903866

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{5737}}^1$

素因数の和:5845

約数の個数: 16

約数和(自身を含む): 34703424

約数和(自身を除く): 12799558

約数列:

[1, 2, 23, 46, 83, 166, 1909, 3818, 5737, 11474, 131951, 263902, 476171, 952342, 10951933, 21903866]

約数ペア:

[(1, 21903866), (2, 10951933), (23, 952342), (46, 476171), (83, 263902), (166, 131951), (1909, 11474), (3818, 5737)]