21919426

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{33931}}^1$

素因数の和:33969

約数の個数: 16

約数和(自身を含む): 36646560

約数和(自身を除く): 14727134

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 33931, 67862, 576827, 644689, 1153654, 1289378, 10959713, 21919426]

約数ペア:

[(1, 21919426), (2, 10959713), (17, 1289378), (19, 1153654), (34, 644689), (38, 576827), (323, 67862), (646, 33931)]