21497392

素因数分解:

$2^4\times 7^1\times {\mathrm{367}}^1\times {\mathrm{523}}^1$

素因数の和:905

約数の個数: 40

約数和(自身を含む): 47822336

約数和(自身を除く): 26324944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 367, 523, 734, 1046, 1468, 2092, 2569, 2936, 3661, 4184, 5138, 5872, 7322, 8368, 10276, 14644, 20552, 29288, 41104, 58576, 191941, 383882, 767764, 1343587, 1535528, 2687174, 3071056, 5374348, 10748696, 21497392]

約数ペア:

[(1, 21497392), (2, 10748696), (4, 5374348), (7, 3071056), (8, 2687174), (14, 1535528), (16, 1343587), (28, 767764), (56, 383882), (112, 191941), (367, 58576), (523, 41104), (734, 29288), (1046, 20552), (1468, 14644), (2092, 10276), (2569, 8368), (2936, 7322), (3661, 5872), (4184, 5138)]