21052893

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{433}}^1\times {\mathrm{853}}^1$

素因数の和:1308

約数の個数: 16

約数和(自身を含む): 29650880

約数和(自身を除く): 8597987

約数列:

[1, 3, 19, 57, 433, 853, 1299, 2559, 8227, 16207, 24681, 48621, 369349, 1108047, 7017631, 21052893]

約数ペア:

[(1, 21052893), (3, 7017631), (19, 1108047), (57, 369349), (433, 48621), (853, 24681), (1299, 16207), (2559, 8227)]