21251098

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{26107}}^1$

素因数の和:26157

約数の個数: 16

約数和(自身を含む): 35715744

約数和(自身を除く): 14464646

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 26107, 52214, 287177, 574354, 965959, 1931918, 10625549, 21251098]

約数ペア:

[(1, 21251098), (2, 10625549), (11, 1931918), (22, 965959), (37, 574354), (74, 287177), (407, 52214), (814, 26107)]