21011012

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{477523}}^1$

素因数の和:477538

約数の個数: 12

約数和(自身を含む): 40112016

約数和(自身を除く): 19101004

約数列:

[1, 2, 4, 11, 22, 44, 477523, 955046, 1910092, 5252753, 10505506, 21011012]

約数ペア:

[(1, 21011012), (2, 10505506), (4, 5252753), (11, 1910092), (22, 955046), (44, 477523)]