21820949

素因数分解:

${\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:340

約数の個数: 16

約数和(自身を含む): 23647680

約数和(自身を除く): 1826731

約数列:

[1, 19, 83, 101, 137, 1577, 1919, 2603, 8383, 11371, 13837, 159277, 216049, 262903, 1148471, 21820949]

約数ペア:

[(1, 21820949), (19, 1148471), (83, 262903), (101, 216049), (137, 159277), (1577, 13837), (1919, 11371), (2603, 8383)]