21966400

素因数分解:

$2^6\times 5^2\times {\mathrm{13729}}^1$

素因数の和:13751

約数の個数: 42

約数和(自身を含む): 54055010

約数和(自身を除く): 32088610

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 13729, 27458, 54916, 68645, 109832, 137290, 219664, 274580, 343225, 439328, 549160, 686450, 878656, 1098320, 1372900, 2196640, 2745800, 4393280, 5491600, 10983200, 21966400]

約数ペア:

[(1, 21966400), (2, 10983200), (4, 5491600), (5, 4393280), (8, 2745800), (10, 2196640), (16, 1372900), (20, 1098320), (25, 878656), (32, 686450), (40, 549160), (50, 439328), (64, 343225), (80, 274580), (100, 219664), (160, 137290), (200, 109832), (320, 68645), (400, 54916), (800, 27458), (1600, 13729)]