21267262

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1\times {\mathrm{733}}^1$

素因数の和:987

約数の個数: 16

約数和(自身を含む): 32501520

約数和(自身を除く): 11234258

約数列:

[1, 2, 89, 163, 178, 326, 733, 1466, 14507, 29014, 65237, 119479, 130474, 238958, 10633631, 21267262]

約数ペア:

[(1, 21267262), (2, 10633631), (89, 238958), (163, 130474), (178, 119479), (326, 65237), (733, 29014), (1466, 14507)]