21168116

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{613}}^1$

素因数の和:803

約数の個数: 24

約数和(自身を含む): 37908360

約数和(自身を除く): 16740244

約数列:

[1, 2, 4, 89, 97, 178, 194, 356, 388, 613, 1226, 2452, 8633, 17266, 34532, 54557, 59461, 109114, 118922, 218228, 237844, 5292029, 10584058, 21168116]

約数ペア:

[(1, 21168116), (2, 10584058), (4, 5292029), (89, 237844), (97, 218228), (178, 118922), (194, 109114), (356, 59461), (388, 54557), (613, 34532), (1226, 17266), (2452, 8633)]