21565102

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{19289}}^1$

素因数の和:19347

約数の個数: 16

約数和(自身を含む): 35647920

約数和(自身を除く): 14082818

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 19289, 38578, 250757, 501514, 829427, 1658854, 10782551, 21565102]

約数ペア:

[(1, 21565102), (2, 10782551), (13, 1658854), (26, 829427), (43, 501514), (86, 250757), (559, 38578), (1118, 19289)]