21979128

素因数分解:

$2^3\times 3^1\times {\mathrm{127}}^1\times {\mathrm{7211}}^1$

素因数の和:7347

約数の個数: 32

約数和(自身を含む): 55388160

約数和(自身を除く): 33409032

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 127, 254, 381, 508, 762, 1016, 1524, 3048, 7211, 14422, 21633, 28844, 43266, 57688, 86532, 173064, 915797, 1831594, 2747391, 3663188, 5494782, 7326376, 10989564, 21979128]

約数ペア:

[(1, 21979128), (2, 10989564), (3, 7326376), (4, 5494782), (6, 3663188), (8, 2747391), (12, 1831594), (24, 915797), (127, 173064), (254, 86532), (381, 57688), (508, 43266), (762, 28844), (1016, 21633), (1524, 14422), (3048, 7211)]