21591328

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{61339}}^1$

素因数の和:61360

約数の個数: 24

約数和(自身を含む): 46373040

約数和(自身を除く): 24781712

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 352, 61339, 122678, 245356, 490712, 674729, 981424, 1349458, 1962848, 2698916, 5397832, 10795664, 21591328]

約数ペア:

[(1, 21591328), (2, 10795664), (4, 5397832), (8, 2698916), (11, 1962848), (16, 1349458), (22, 981424), (32, 674729), (44, 490712), (88, 245356), (176, 122678), (352, 61339)]