21085882

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{1777}}^1$

素因数の和:2145

約数の個数: 16

約数和(自身を含む): 33604200

約数和(自身を除く): 12518318

約数列:

[1, 2, 17, 34, 349, 698, 1777, 3554, 5933, 11866, 30209, 60418, 620173, 1240346, 10542941, 21085882]

約数ペア:

[(1, 21085882), (2, 10542941), (17, 1240346), (34, 620173), (349, 60418), (698, 30209), (1777, 11866), (3554, 5933)]