21847036

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{853}}^1$

素因数の和:1213

約数の個数: 24

約数和(自身を含む): 40411280

約数和(自身を除く): 18564244

約数列:

[1, 2, 4, 19, 38, 76, 337, 674, 853, 1348, 1706, 3412, 6403, 12806, 16207, 25612, 32414, 64828, 287461, 574922, 1149844, 5461759, 10923518, 21847036]

約数ペア:

[(1, 21847036), (2, 10923518), (4, 5461759), (19, 1149844), (38, 574922), (76, 287461), (337, 64828), (674, 32414), (853, 25612), (1348, 16207), (1706, 12806), (3412, 6403)]