21671276

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{9293}}^1$

素因数の和:9361

約数の個数: 24

約数和(自身を含む): 42157584

約数和(自身を除く): 20486308

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 212, 583, 1166, 2332, 9293, 18586, 37172, 102223, 204446, 408892, 492529, 985058, 1970116, 5417819, 10835638, 21671276]

約数ペア:

[(1, 21671276), (2, 10835638), (4, 5417819), (11, 1970116), (22, 985058), (44, 492529), (53, 408892), (106, 204446), (212, 102223), (583, 37172), (1166, 18586), (2332, 9293)]