21825922

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:322

約数の個数: 32

約数和(自身を含む): 35712000

約数和(自身を除く): 13886078

約数列:

[1, 2, 29, 31, 58, 61, 62, 122, 199, 398, 899, 1769, 1798, 1891, 3538, 3782, 5771, 6169, 11542, 12139, 12338, 24278, 54839, 109678, 178901, 352031, 357802, 376309, 704062, 752618, 10912961, 21825922]

約数ペア:

[(1, 21825922), (2, 10912961), (29, 752618), (31, 704062), (58, 376309), (61, 357802), (62, 352031), (122, 178901), (199, 109678), (398, 54839), (899, 24278), (1769, 12338), (1798, 12139), (1891, 11542), (3538, 6169), (3782, 5771)]