21061832

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1747}}^1$

素因数の和:1901

約数の個数: 32

約数和(自身を含む): 43420320

約数和(自身を除く): 22358488

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 137, 274, 548, 1096, 1507, 1747, 3014, 3494, 6028, 6988, 12056, 13976, 19217, 38434, 76868, 153736, 239339, 478678, 957356, 1914712, 2632729, 5265458, 10530916, 21061832]

約数ペア:

[(1, 21061832), (2, 10530916), (4, 5265458), (8, 2632729), (11, 1914712), (22, 957356), (44, 478678), (88, 239339), (137, 153736), (274, 76868), (548, 38434), (1096, 19217), (1507, 13976), (1747, 12056), (3014, 6988), (3494, 6028)]