21085871

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{313}}^1$

素因数の和:466

約数の個数: 16

約数和(自身を含む): 23060160

約数和(自身を除く): 1974289

約数列:

[1, 23, 29, 101, 313, 667, 2323, 2929, 7199, 9077, 31613, 67367, 208771, 727099, 916777, 21085871]

約数ペア:

[(1, 21085871), (23, 916777), (29, 727099), (101, 208771), (313, 67367), (667, 31613), (2323, 9077), (2929, 7199)]