21240692

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{482743}}^1$

素因数の和:482758

約数の個数: 12

約数和(自身を含む): 40550496

約数和(自身を除く): 19309804

約数列:

[1, 2, 4, 11, 22, 44, 482743, 965486, 1930972, 5310173, 10620346, 21240692]

約数ペア:

[(1, 21240692), (2, 10620346), (4, 5310173), (11, 1930972), (22, 965486), (44, 482743)]