21233918

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{4493}}^1$

素因数の和:4651

約数の個数: 16

約数和(自身を含む): 33974640

約数和(自身を除く): 12740722

約数列:

[1, 2, 17, 34, 139, 278, 2363, 4493, 4726, 8986, 76381, 152762, 624527, 1249054, 10616959, 21233918]

約数ペア:

[(1, 21233918), (2, 10616959), (17, 1249054), (34, 624527), (139, 152762), (278, 76381), (2363, 8986), (4493, 4726)]