21396206

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{15527}}^1$

素因数の和:15595

約数の個数: 16

約数和(自身を含む): 35217504

約数和(自身を除く): 13821298

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 15527, 31054, 201851, 403702, 822931, 1645862, 10698103, 21396206]

約数ペア:

[(1, 21396206), (2, 10698103), (13, 1645862), (26, 822931), (53, 403702), (106, 201851), (689, 31054), (1378, 15527)]