21352912

素因数分解:

$2^4\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2297}}^1$

素因数の和:2395

約数の個数: 40

約数和(自身を含む): 47871936

約数和(自身を除く): 26519024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 83, 112, 166, 332, 581, 664, 1162, 1328, 2297, 2324, 4594, 4648, 9188, 9296, 16079, 18376, 32158, 36752, 64316, 128632, 190651, 257264, 381302, 762604, 1334557, 1525208, 2669114, 3050416, 5338228, 10676456, 21352912]

約数ペア:

[(1, 21352912), (2, 10676456), (4, 5338228), (7, 3050416), (8, 2669114), (14, 1525208), (16, 1334557), (28, 762604), (56, 381302), (83, 257264), (112, 190651), (166, 128632), (332, 64316), (581, 36752), (664, 32158), (1162, 18376), (1328, 16079), (2297, 9296), (2324, 9188), (4594, 4648)]