21656678

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{5573}}^1$

素因数の和:5671

約数の個数: 16

約数和(自身を含む): 34112880

約数和(自身を除く): 12456202

約数列:

[1, 2, 29, 58, 67, 134, 1943, 3886, 5573, 11146, 161617, 323234, 373391, 746782, 10828339, 21656678]

約数ペア:

[(1, 21656678), (2, 10828339), (29, 746782), (58, 373391), (67, 323234), (134, 161617), (1943, 11146), (3886, 5573)]