21293954

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{13259}}^1$

素因数の和:13345

約数の個数: 16

約数和(自身を含む): 35324640

約数和(自身を除く): 14030686

約数列:

[1, 2, 11, 22, 73, 146, 803, 1606, 13259, 26518, 145849, 291698, 967907, 1935814, 10646977, 21293954]

約数ペア:

[(1, 21293954), (2, 10646977), (11, 1935814), (22, 967907), (73, 291698), (146, 145849), (803, 26518), (1606, 13259)]