21043352

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{21739}}^1$

素因数の和:21767

約数の個数: 24

約数和(自身を含む): 43371300

約数和(自身を除く): 22327948

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 21739, 43478, 86956, 173912, 239129, 478258, 956516, 1913032, 2630419, 5260838, 10521676, 21043352]

約数ペア:

[(1, 21043352), (2, 10521676), (4, 5260838), (8, 2630419), (11, 1913032), (22, 956516), (44, 478258), (88, 239129), (121, 173912), (242, 86956), (484, 43478), (968, 21739)]