21271822

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{74377}}^1$

素因数の和:74403

約数の個数: 16

約数和(自身を含む): 37486512

約数和(自身を除く): 16214690

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 74377, 148754, 818147, 966901, 1636294, 1933802, 10635911, 21271822]

約数ペア:

[(1, 21271822), (2, 10635911), (11, 1933802), (13, 1636294), (22, 966901), (26, 818147), (143, 148754), (286, 74377)]