21079782

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{24917}}^1$

素因数の和:24972

約数の個数: 24

約数和(自身を含む): 46646496

約数和(自身を除く): 25566714

約数列:

[1, 2, 3, 6, 9, 18, 47, 94, 141, 282, 423, 846, 24917, 49834, 74751, 149502, 224253, 448506, 1171099, 2342198, 3513297, 7026594, 10539891, 21079782]

約数ペア:

[(1, 21079782), (2, 10539891), (3, 7026594), (6, 3513297), (9, 2342198), (18, 1171099), (47, 448506), (94, 224253), (141, 149502), (282, 74751), (423, 49834), (846, 24917)]