21858756

素因数分解:

$2^2\times 3^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 52355520

約数和(自身を除く): 30496764

約数列:

[1, 2, 3, 4, 6, 12, 89, 97, 178, 194, 211, 267, 291, 356, 388, 422, 534, 582, 633, 844, 1068, 1164, 1266, 2532, 8633, 17266, 18779, 20467, 25899, 34532, 37558, 40934, 51798, 56337, 61401, 75116, 81868, 103596, 112674, 122802, 225348, 245604, 1821563, 3643126, 5464689, 7286252, 10929378, 21858756]

約数ペア:

[(1, 21858756), (2, 10929378), (3, 7286252), (4, 5464689), (6, 3643126), (12, 1821563), (89, 245604), (97, 225348), (178, 122802), (194, 112674), (211, 103596), (267, 81868), (291, 75116), (356, 61401), (388, 56337), (422, 51798), (534, 40934), (582, 37558), (633, 34532), (844, 25899), (1068, 20467), (1164, 18779), (1266, 17266), (2532, 8633)]