21777956

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{953}}^1$

素因数の和:1183

約数の個数: 24

約数和(自身を含む): 39667320

約数和(自身を除く): 17889364

約数列:

[1, 2, 4, 29, 58, 116, 197, 394, 788, 953, 1906, 3812, 5713, 11426, 22852, 27637, 55274, 110548, 187741, 375482, 750964, 5444489, 10888978, 21777956]

約数ペア:

[(1, 21777956), (2, 10888978), (4, 5444489), (29, 750964), (58, 375482), (116, 187741), (197, 110548), (394, 55274), (788, 27637), (953, 22852), (1906, 11426), (3812, 5713)]