21419031

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{9767}}^1$

素因数の和:9830

約数の個数: 16

約数和(自身を含む): 30945024

約数和(自身を除く): 9525993

約数列:

[1, 3, 17, 43, 51, 129, 731, 2193, 9767, 29301, 166039, 419981, 498117, 1259943, 7139677, 21419031]

約数ペア:

[(1, 21419031), (3, 7139677), (17, 1259943), (43, 498117), (51, 419981), (129, 166039), (731, 29301), (2193, 9767)]