21471112

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{15881}}^1$

素因数の和:15913

約数の個数: 24

約数和(自身を含む): 43596090

約数和(自身を除く): 22124978

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 15881, 31762, 63524, 127048, 206453, 412906, 825812, 1651624, 2683889, 5367778, 10735556, 21471112]

約数ペア:

[(1, 21471112), (2, 10735556), (4, 5367778), (8, 2683889), (13, 1651624), (26, 825812), (52, 412906), (104, 206453), (169, 127048), (338, 63524), (676, 31762), (1352, 15881)]