21777873

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^2$

素因数の和:281

約数の個数: 24

約数和(自身を含む): 32231808

約数和(自身を除く): 10453935

約数列:

[1, 3, 13, 39, 47, 109, 141, 327, 611, 1417, 1833, 4251, 5123, 11881, 15369, 35643, 66599, 154453, 199797, 463359, 558407, 1675221, 7259291, 21777873]

約数ペア:

[(1, 21777873), (3, 7259291), (13, 1675221), (39, 558407), (47, 463359), (109, 199797), (141, 154453), (327, 66599), (611, 35643), (1417, 15369), (1833, 11881), (4251, 5123)]