21202918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41903}}^1$

素因数の和:41939

約数の個数: 16

約数和(自身を含む): 36205056

約数和(自身を除く): 15002138

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 41903, 83806, 460933, 921866, 963769, 1927538, 10601459, 21202918]

約数ペア:

[(1, 21202918), (2, 10601459), (11, 1927538), (22, 963769), (23, 921866), (46, 460933), (253, 83806), (506, 41903)]