21008798

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{2909}}^1$

素因数の和:3091

約数の個数: 16

約数和(自身を含む): 33104160

約数和(自身を除く): 12095362

約数列:

[1, 2, 23, 46, 157, 314, 2909, 3611, 5818, 7222, 66907, 133814, 456713, 913426, 10504399, 21008798]

約数ペア:

[(1, 21008798), (2, 10504399), (23, 913426), (46, 456713), (157, 133814), (314, 66907), (2909, 7222), (3611, 5818)]