21249194

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{571}}^1\times {\mathrm{809}}^1$

素因数の和:1405

約数の個数: 16

約数和(自身を含む): 33359040

約数和(自身を除く): 12109846

約数列:

[1, 2, 23, 46, 571, 809, 1142, 1618, 13133, 18607, 26266, 37214, 461939, 923878, 10624597, 21249194]

約数ペア:

[(1, 21249194), (2, 10624597), (23, 923878), (46, 461939), (571, 37214), (809, 26266), (1142, 18607), (1618, 13133)]