21297163

素因数分解:

${\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:318

約数の個数: 16

約数和(自身を含む): 22790880

約数和(自身を除く): 1493717

約数列:

[1, 37, 41, 101, 139, 1517, 3737, 4141, 5143, 5699, 14039, 153217, 210863, 519443, 575599, 21297163]

約数ペア:

[(1, 21297163), (37, 575599), (41, 519443), (101, 210863), (139, 153217), (1517, 14039), (3737, 5699), (4141, 5143)]