21551762019

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{491}}^1\times {\mathrm{50627}}^1$

素因数の和:51155

約数の個数: 24

約数和(自身を含む): 30588222528

約数和(自身を除く): 9036460509

約数列:

[1, 3, 17, 51, 289, 491, 867, 1473, 8347, 25041, 50627, 141899, 151881, 425697, 860659, 2581977, 14631203, 24857857, 43893609, 74573571, 422583569, 1267750707, 7183920673, 21551762019]

約数ペア:

[(1, 21551762019), (3, 7183920673), (17, 1267750707), (51, 422583569), (289, 74573571), (491, 43893609), (867, 24857857), (1473, 14631203), (8347, 2581977), (25041, 860659), (50627, 425697), (141899, 151881)]