21367654

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1559}}^1$

素因数の和:1668

約数の個数: 32

約数和(自身を含む): 40435200

約数和(自身を除く): 19067546

約数列:

[1, 2, 7, 11, 14, 22, 77, 89, 154, 178, 623, 979, 1246, 1559, 1958, 3118, 6853, 10913, 13706, 17149, 21826, 34298, 120043, 138751, 240086, 277502, 971257, 1526261, 1942514, 3052522, 10683827, 21367654]

約数ペア:

[(1, 21367654), (2, 10683827), (7, 3052522), (11, 1942514), (14, 1526261), (22, 971257), (77, 277502), (89, 240086), (154, 138751), (178, 120043), (623, 34298), (979, 21826), (1246, 17149), (1559, 13706), (1958, 10913), (3118, 6853)]