21555874

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{419}}^1\times {\mathrm{887}}^1$

素因数の和:1337

約数の個数: 16

約数和(自身を含む): 33566400

約数和(自身を除く): 12010526

約数列:

[1, 2, 29, 58, 419, 838, 887, 1774, 12151, 24302, 25723, 51446, 371653, 743306, 10777937, 21555874]

約数ペア:

[(1, 21555874), (2, 10777937), (29, 743306), (58, 371653), (419, 51446), (838, 25723), (887, 24302), (1774, 12151)]