21904016

素因数分解:

$2^4\times {\mathrm{449}}^1\times {\mathrm{3049}}^1$

素因数の和:3506

約数の個数: 20

約数和(自身を含む): 42547500

約数和(自身を除く): 20643484

約数列:

[1, 2, 4, 8, 16, 449, 898, 1796, 3049, 3592, 6098, 7184, 12196, 24392, 48784, 1369001, 2738002, 5476004, 10952008, 21904016]

約数ペア:

[(1, 21904016), (2, 10952008), (4, 5476004), (8, 2738002), (16, 1369001), (449, 48784), (898, 24392), (1796, 12196), (3049, 7184), (3592, 6098)]