21642128

素因数分解:

$2^4\times {\mathrm{593}}^1\times {\mathrm{2281}}^1$

素因数の和:2882

約数の個数: 20

約数和(自身を含む): 42020748

約数和(自身を除く): 20378620

約数列:

[1, 2, 4, 8, 16, 593, 1186, 2281, 2372, 4562, 4744, 9124, 9488, 18248, 36496, 1352633, 2705266, 5410532, 10821064, 21642128]

約数ペア:

[(1, 21642128), (2, 10821064), (4, 5410532), (8, 2705266), (16, 1352633), (593, 36496), (1186, 18248), (2281, 9488), (2372, 9124), (4562, 4744)]