21361308

素因数分解:

$2^2\times 3^1\times {\mathrm{1289}}^1\times {\mathrm{1381}}^1$

素因数の和:2677

約数の個数: 24

約数和(自身を含む): 49917840

約数和(自身を除く): 28556532

約数列:

[1, 2, 3, 4, 6, 12, 1289, 1381, 2578, 2762, 3867, 4143, 5156, 5524, 7734, 8286, 15468, 16572, 1780109, 3560218, 5340327, 7120436, 10680654, 21361308]

約数ペア:

[(1, 21361308), (2, 10680654), (3, 7120436), (4, 5340327), (6, 3560218), (12, 1780109), (1289, 16572), (1381, 15468), (2578, 8286), (2762, 7734), (3867, 5524), (4143, 5156)]