21179212

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{1063}}^1$

素因数の和:1377

約数の個数: 24

約数和(自身を含む): 39414816

約数和(自身を除く): 18235604

約数列:

[1, 2, 4, 17, 34, 68, 293, 586, 1063, 1172, 2126, 4252, 4981, 9962, 18071, 19924, 36142, 72284, 311459, 622918, 1245836, 5294803, 10589606, 21179212]

約数ペア:

[(1, 21179212), (2, 10589606), (4, 5294803), (17, 1245836), (34, 622918), (68, 311459), (293, 72284), (586, 36142), (1063, 19924), (1172, 18071), (2126, 9962), (4252, 4981)]