21303218

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{6299}}^1$

素因数の和:6409

約数の個数: 16

約数和(自身を含む): 34020000

約数和(自身を除く): 12716782

約数列:

[1, 2, 19, 38, 89, 178, 1691, 3382, 6299, 12598, 119681, 239362, 560611, 1121222, 10651609, 21303218]

約数ペア:

[(1, 21303218), (2, 10651609), (19, 1121222), (38, 560611), (89, 239362), (178, 119681), (1691, 12598), (3382, 6299)]