21069442

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^2\times {\mathrm{251}}^1$

素因数の和:366

約数の個数: 24

約数和(自身を含む): 34125840

約数和(自身を除く): 13056398

約数列:

[1, 2, 19, 38, 47, 94, 251, 502, 893, 1786, 2209, 4418, 4769, 9538, 11797, 23594, 41971, 83942, 224143, 448286, 554459, 1108918, 10534721, 21069442]

約数ペア:

[(1, 21069442), (2, 10534721), (19, 1108918), (38, 554459), (47, 448286), (94, 224143), (251, 83942), (502, 41971), (893, 23594), (1786, 11797), (2209, 9538), (4418, 4769)]