21164932

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{761}}^1$

素因数の和:1191

約数の個数: 24

約数和(自身を含む): 39364920

約数和(自身を除く): 18199988

約数列:

[1, 2, 4, 17, 34, 68, 409, 761, 818, 1522, 1636, 3044, 6953, 12937, 13906, 25874, 27812, 51748, 311249, 622498, 1244996, 5291233, 10582466, 21164932]

約数ペア:

[(1, 21164932), (2, 10582466), (4, 5291233), (17, 1244996), (34, 622498), (68, 311249), (409, 51748), (761, 27812), (818, 25874), (1522, 13906), (1636, 12937), (3044, 6953)]