21394594

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{4177}}^1$

素因数の和:4389

約数の個数: 16

約数和(自身を含む): 34744248

約数和(自身を除く): 13349654

約数列:

[1, 2, 13, 26, 197, 394, 2561, 4177, 5122, 8354, 54301, 108602, 822869, 1645738, 10697297, 21394594]

約数ペア:

[(1, 21394594), (2, 10697297), (13, 1645738), (26, 822869), (197, 108602), (394, 54301), (2561, 8354), (4177, 5122)]