21869997

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{2699}}^1$

素因数の和:2812

約数の個数: 16

約数和(自身を含む): 30369600

約数和(自身を除く): 8499603

約数列:

[1, 3, 37, 73, 111, 219, 2699, 2701, 8097, 8103, 99863, 197027, 299589, 591081, 7289999, 21869997]

約数ペア:

[(1, 21869997), (3, 7289999), (37, 591081), (73, 299589), (111, 197027), (219, 99863), (2699, 8103), (2701, 8097)]