21072862

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{5717}}^1$

素因数の和:5835

約数の個数: 16

約数和(自身を含む): 33621840

約数和(自身を除く): 12548978

約数列:

[1, 2, 19, 38, 97, 194, 1843, 3686, 5717, 11434, 108623, 217246, 554549, 1109098, 10536431, 21072862]

約数ペア:

[(1, 21072862), (2, 10536431), (19, 1109098), (38, 554549), (97, 217246), (194, 108623), (1843, 11434), (3686, 5717)]