21375706

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{2423}}^1$

素因数の和:2837

約数の個数: 16

約数和(自身を含む): 35080128

約数和(自身を除く): 13704422

約数列:

[1, 2, 11, 22, 401, 802, 2423, 4411, 4846, 8822, 26653, 53306, 971623, 1943246, 10687853, 21375706]

約数ペア:

[(1, 21375706), (2, 10687853), (11, 1943246), (22, 971623), (401, 53306), (802, 26653), (2423, 8822), (4411, 4846)]