21427648

素因数分解:

$2^6\times {\mathrm{11}}^2\times {\mathrm{2767}}^1$

素因数の和:2801

約数の個数: 42

約数和(自身を含む): 46754288

約数和(自身を除く): 25326640

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 121, 176, 242, 352, 484, 704, 968, 1936, 2767, 3872, 5534, 7744, 11068, 22136, 30437, 44272, 60874, 88544, 121748, 177088, 243496, 334807, 486992, 669614, 973984, 1339228, 1947968, 2678456, 5356912, 10713824, 21427648]

約数ペア:

[(1, 21427648), (2, 10713824), (4, 5356912), (8, 2678456), (11, 1947968), (16, 1339228), (22, 973984), (32, 669614), (44, 486992), (64, 334807), (88, 243496), (121, 177088), (176, 121748), (242, 88544), (352, 60874), (484, 44272), (704, 30437), (968, 22136), (1936, 11068), (2767, 7744), (3872, 5534)]