21851242

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{859}}^1$

素因数の和:970

約数の個数: 32

約数和(自身を含む): 39628800

約数和(自身を除く): 17777558

約数列:

[1, 2, 7, 14, 23, 46, 79, 158, 161, 322, 553, 859, 1106, 1718, 1817, 3634, 6013, 12026, 12719, 19757, 25438, 39514, 67861, 135722, 138299, 276598, 475027, 950054, 1560803, 3121606, 10925621, 21851242]

約数ペア:

[(1, 21851242), (2, 10925621), (7, 3121606), (14, 1560803), (23, 950054), (46, 475027), (79, 276598), (158, 138299), (161, 135722), (322, 67861), (553, 39514), (859, 25438), (1106, 19757), (1718, 12719), (1817, 12026), (3634, 6013)]