21391066

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{433}}^1\times {\mathrm{1453}}^1$

素因数の和:1905

約数の個数: 16

約数和(自身を含む): 34075944

約数和(自身を除く): 12684878

約数列:

[1, 2, 17, 34, 433, 866, 1453, 2906, 7361, 14722, 24701, 49402, 629149, 1258298, 10695533, 21391066]

約数ペア:

[(1, 21391066), (2, 10695533), (17, 1258298), (34, 629149), (433, 49402), (866, 24701), (1453, 14722), (2906, 7361)]