21383032

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{242989}}^1$

素因数の和:243006

約数の個数: 16

約数和(自身を含む): 43738200

約数和(自身を除く): 22355168

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 242989, 485978, 971956, 1943912, 2672879, 5345758, 10691516, 21383032]

約数ペア:

[(1, 21383032), (2, 10691516), (4, 5345758), (8, 2672879), (11, 1943912), (22, 971956), (44, 485978), (88, 242989)]