21625616

素因数分解:

$2^4\times {\mathrm{151}}^1\times {\mathrm{8951}}^1$

素因数の和:9110

約数の個数: 20

約数和(自身を含む): 42181824

約数和(自身を除く): 20556208

約数列:

[1, 2, 4, 8, 16, 151, 302, 604, 1208, 2416, 8951, 17902, 35804, 71608, 143216, 1351601, 2703202, 5406404, 10812808, 21625616]

約数ペア:

[(1, 21625616), (2, 10812808), (4, 5406404), (8, 2703202), (16, 1351601), (151, 143216), (302, 71608), (604, 35804), (1208, 17902), (2416, 8951)]