21531256

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{141653}}^1$

素因数の和:141678

約数の個数: 16

約数和(自身を含む): 42496200

約数和(自身を除く): 20964944

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 141653, 283306, 566612, 1133224, 2691407, 5382814, 10765628, 21531256]

約数ペア:

[(1, 21531256), (2, 10765628), (4, 5382814), (8, 2691407), (19, 1133224), (38, 566612), (76, 283306), (152, 141653)]