21292381

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3673}}^1$

素因数の和:3732

約数の個数: 16

約数和(自身を含む): 25394688

約数和(自身を除く): 4102307

約数列:

[1, 11, 17, 31, 187, 341, 527, 3673, 5797, 40403, 62441, 113863, 686851, 1252493, 1935671, 21292381]

約数ペア:

[(1, 21292381), (11, 1935671), (17, 1252493), (31, 686851), (187, 113863), (341, 62441), (527, 40403), (3673, 5797)]