21712686

素因数分解:

$2^1\times 3^1\times {\mathrm{349}}^1\times {\mathrm{10369}}^1$

素因数の和:10723

約数の個数: 16

約数和(自身を含む): 43554000

約数和(自身を除く): 21841314

約数列:

[1, 2, 3, 6, 349, 698, 1047, 2094, 10369, 20738, 31107, 62214, 3618781, 7237562, 10856343, 21712686]

約数ペア:

[(1, 21712686), (2, 10856343), (3, 7237562), (6, 3618781), (349, 62214), (698, 31107), (1047, 20738), (2094, 10369)]