21282712

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{3313}}^1$

素因数の和:3403

約数の個数: 32

約数和(自身を含む): 44142480

約数和(自身を除く): 22859768

約数列:

[1, 2, 4, 8, 11, 22, 44, 73, 88, 146, 292, 584, 803, 1606, 3212, 3313, 6424, 6626, 13252, 26504, 36443, 72886, 145772, 241849, 291544, 483698, 967396, 1934792, 2660339, 5320678, 10641356, 21282712]

約数ペア:

[(1, 21282712), (2, 10641356), (4, 5320678), (8, 2660339), (11, 1934792), (22, 967396), (44, 483698), (73, 291544), (88, 241849), (146, 145772), (292, 72886), (584, 36443), (803, 26504), (1606, 13252), (3212, 6626), (3313, 6424)]