21229802

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{50789}}^1$

素因数の和:50821

約数の個数: 16

約数和(自身を含む): 36568800

約数和(自身を除く): 15338998

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 50789, 101578, 558679, 964991, 1117358, 1929982, 10614901, 21229802]

約数ペア:

[(1, 21229802), (2, 10614901), (11, 1929982), (19, 1117358), (22, 964991), (38, 558679), (209, 101578), (418, 50789)]