21573266

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{75431}}^1$

素因数の和:75457

約数の個数: 16

約数和(自身を含む): 38017728

約数和(自身を除く): 16444462

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 75431, 150862, 829741, 980603, 1659482, 1961206, 10786633, 21573266]

約数ペア:

[(1, 21573266), (2, 10786633), (11, 1961206), (13, 1659482), (22, 980603), (26, 829741), (143, 150862), (286, 75431)]