21261636

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^2\times {\mathrm{1627}}^1$

素因数の和:1662

約数の個数: 72

約数和(自身を含む): 60626720

約数和(自身を除く): 39365084

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 99, 108, 121, 132, 198, 242, 297, 363, 396, 484, 594, 726, 1089, 1188, 1452, 1627, 2178, 3254, 3267, 4356, 4881, 6508, 6534, 9762, 13068, 14643, 17897, 19524, 29286, 35794, 43929, 53691, 58572, 71588, 87858, 107382, 161073, 175716, 196867, 214764, 322146, 393734, 483219, 590601, 644292, 787468, 966438, 1181202, 1771803, 1932876, 2362404, 3543606, 5315409, 7087212, 10630818, 21261636]

約数ペア:

[(1, 21261636), (2, 10630818), (3, 7087212), (4, 5315409), (6, 3543606), (9, 2362404), (11, 1932876), (12, 1771803), (18, 1181202), (22, 966438), (27, 787468), (33, 644292), (36, 590601), (44, 483219), (54, 393734), (66, 322146), (99, 214764), (108, 196867), (121, 175716), (132, 161073), (198, 107382), (242, 87858), (297, 71588), (363, 58572), (396, 53691), (484, 43929), (594, 35794), (726, 29286), (1089, 19524), (1188, 17897), (1452, 14643), (1627, 13068), (2178, 9762), (3254, 6534), (3267, 6508), (4356, 4881)]