21572368

素因数分解:

$2^4\times {\mathrm{839}}^1\times {\mathrm{1607}}^1$

素因数の和:2454

約数の個数: 20

約数和(自身を含む): 41872320

約数和(自身を除く): 20299952

約数列:

[1, 2, 4, 8, 16, 839, 1607, 1678, 3214, 3356, 6428, 6712, 12856, 13424, 25712, 1348273, 2696546, 5393092, 10786184, 21572368]

約数ペア:

[(1, 21572368), (2, 10786184), (4, 5393092), (8, 2696546), (16, 1348273), (839, 25712), (1607, 13424), (1678, 12856), (3214, 6712), (3356, 6428)]