2109306790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{607}}^1\times {\mathrm{20441}}^1$

素因数の和:21072

約数の個数: 32

約数和(自身を含む): 4026910464

約数和(自身を除く): 1917603674

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 607, 1214, 3035, 6070, 10319, 20441, 20638, 40882, 51595, 102205, 103190, 204410, 347497, 694994, 1737485, 3474970, 12407687, 24815374, 62038435, 124076870, 210930679, 421861358, 1054653395, 2109306790]

約数ペア:

[(1, 2109306790), (2, 1054653395), (5, 421861358), (10, 210930679), (17, 124076870), (34, 62038435), (85, 24815374), (170, 12407687), (607, 3474970), (1214, 1737485), (3035, 694994), (6070, 347497), (10319, 204410), (20441, 103190), (20638, 102205), (40882, 51595)]