20211411

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{859}}^1$

素因数の和:927

約数の個数: 32

約数和(自身を含む): 31703040

約数和(自身を除く): 11491629

約数列:

[1, 3, 11, 23, 31, 33, 69, 93, 253, 341, 713, 759, 859, 1023, 2139, 2577, 7843, 9449, 19757, 23529, 26629, 28347, 59271, 79887, 217327, 292919, 612467, 651981, 878757, 1837401, 6737137, 20211411]

約数ペア:

[(1, 20211411), (3, 6737137), (11, 1837401), (23, 878757), (31, 651981), (33, 612467), (69, 292919), (93, 217327), (253, 79887), (341, 59271), (713, 28347), (759, 26629), (859, 23529), (1023, 19757), (2139, 9449), (2577, 7843)]