21669104

素因数分解:

$2^4\times {\mathrm{151}}^1\times {\mathrm{8969}}^1$

素因数の和:9128

約数の個数: 20

約数和(自身を含む): 42266640

約数和(自身を除く): 20597536

約数列:

[1, 2, 4, 8, 16, 151, 302, 604, 1208, 2416, 8969, 17938, 35876, 71752, 143504, 1354319, 2708638, 5417276, 10834552, 21669104]

約数ペア:

[(1, 21669104), (2, 10834552), (4, 5417276), (8, 2708638), (16, 1354319), (151, 143504), (302, 71752), (604, 35876), (1208, 17938), (2416, 8969)]