21840534

素因数分解:

$2^1\times 3^2\times {\mathrm{727}}^1\times {\mathrm{1669}}^1$

素因数の和:2404

約数の個数: 24

約数和(自身を含む): 47414640

約数和(自身を除く): 25574106

約数列:

[1, 2, 3, 6, 9, 18, 727, 1454, 1669, 2181, 3338, 4362, 5007, 6543, 10014, 13086, 15021, 30042, 1213363, 2426726, 3640089, 7280178, 10920267, 21840534]

約数ペア:

[(1, 21840534), (2, 10920267), (3, 7280178), (6, 3640089), (9, 2426726), (18, 1213363), (727, 30042), (1454, 15021), (1669, 13086), (2181, 10014), (3338, 6543), (4362, 5007)]