21676456

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{233}}^1\times {\mathrm{401}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 42330600

約数和(自身を除く): 20654144

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 233, 401, 466, 802, 932, 1604, 1864, 3208, 6757, 11629, 13514, 23258, 27028, 46516, 54056, 93032, 93433, 186866, 373732, 747464, 2709557, 5419114, 10838228, 21676456]

約数ペア:

[(1, 21676456), (2, 10838228), (4, 5419114), (8, 2709557), (29, 747464), (58, 373732), (116, 186866), (232, 93433), (233, 93032), (401, 54056), (466, 46516), (802, 27028), (932, 23258), (1604, 13514), (1864, 11629), (3208, 6757)]