21186638

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{461}}^1\times {\mathrm{2089}}^1$

素因数の和:2563

約数の個数: 16

約数和(自身を含む): 34760880

約数和(自身を除く): 13574242

約数列:

[1, 2, 11, 22, 461, 922, 2089, 4178, 5071, 10142, 22979, 45958, 963029, 1926058, 10593319, 21186638]

約数ペア:

[(1, 21186638), (2, 10593319), (11, 1926058), (22, 963029), (461, 45958), (922, 22979), (2089, 10142), (4178, 5071)]