21917438

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{281}}^1\times {\mathrm{661}}^1$

素因数の和:1003

約数の個数: 16

約数和(自身を含む): 33603120

約数和(自身を除く): 11685682

約数列:

[1, 2, 59, 118, 281, 562, 661, 1322, 16579, 33158, 38999, 77998, 185741, 371482, 10958719, 21917438]

約数ペア:

[(1, 21917438), (2, 10958719), (59, 371482), (118, 185741), (281, 77998), (562, 38999), (661, 33158), (1322, 16579)]