2129239870

素因数分解:

$2^1\times 5^1\times {\mathrm{19961}}^1\times {\mathrm{10667}}^1$

素因数の和:30635

約数の個数: 16

約数和(自身を含む): 3833183088

約数和(自身を除く): 1703943218

約数列:

[1, 2, 5, 10, 10667, 19961, 21334, 39922, 53335, 99805, 106670, 199610, 212923987, 425847974, 1064619935, 2129239870]

約数ペア:

[(1, 2129239870), (2, 1064619935), (5, 425847974), (10, 212923987), (10667, 199610), (19961, 106670), (21334, 99805), (39922, 53335)]