21871128

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{47963}}^1$

素因数の和:47991

約数の個数: 32

約数和(自身を含む): 57556800

約数和(自身を除く): 35685672

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 228, 456, 47963, 95926, 143889, 191852, 287778, 383704, 575556, 911297, 1151112, 1822594, 2733891, 3645188, 5467782, 7290376, 10935564, 21871128]

約数ペア:

[(1, 21871128), (2, 10935564), (3, 7290376), (4, 5467782), (6, 3645188), (8, 2733891), (12, 1822594), (19, 1151112), (24, 911297), (38, 575556), (57, 383704), (76, 287778), (114, 191852), (152, 143889), (228, 95926), (456, 47963)]