21573104

素因数分解:

$2^4\times 7^1\times {\mathrm{192617}}^1$

素因数の和:192632

約数の個数: 20

約数和(自身を含む): 47769264

約数和(自身を除く): 26196160

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 192617, 385234, 770468, 1348319, 1540936, 2696638, 3081872, 5393276, 10786552, 21573104]

約数ペア:

[(1, 21573104), (2, 10786552), (4, 5393276), (7, 3081872), (8, 2696638), (14, 1540936), (16, 1348319), (28, 770468), (56, 385234), (112, 192617)]