21553424

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{10607}}^1$

素因数の和:10742

約数の個数: 20

約数和(自身を含む): 42092544

約数和(自身を除く): 20539120

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 10607, 21214, 42428, 84856, 169712, 1347089, 2694178, 5388356, 10776712, 21553424]

約数ペア:

[(1, 21553424), (2, 10776712), (4, 5388356), (8, 2694178), (16, 1347089), (127, 169712), (254, 84856), (508, 42428), (1016, 21214), (2032, 10607)]