21842571

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{16661}}^1$

素因数の和:16706

約数の個数: 16

約数和(自身を含む): 31991040

約数和(自身を除く): 10148469

約数列:

[1, 3, 19, 23, 57, 69, 437, 1311, 16661, 49983, 316559, 383203, 949677, 1149609, 7280857, 21842571]

約数ペア:

[(1, 21842571), (3, 7280857), (19, 1149609), (23, 949677), (57, 383203), (69, 316559), (437, 49983), (1311, 16661)]