21005574

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{205937}}^1$

素因数の和:205959

約数の個数: 16

約数和(自身を含む): 44482608

約数和(自身を除く): 23477034

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 205937, 411874, 617811, 1235622, 3500929, 7001858, 10502787, 21005574]

約数ペア:

[(1, 21005574), (2, 10502787), (3, 7001858), (6, 3500929), (17, 1235622), (34, 617811), (51, 411874), (102, 205937)]