21127814

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{5387}}^1$

素因数の和:5479

約数の個数: 16

約数和(自身を含む): 33168528

約数和(自身を除く): 12040714

約数列:

[1, 2, 37, 53, 74, 106, 1961, 3922, 5387, 10774, 199319, 285511, 398638, 571022, 10563907, 21127814]

約数ペア:

[(1, 21127814), (2, 10563907), (37, 571022), (53, 398638), (74, 285511), (106, 199319), (1961, 10774), (3922, 5387)]