21062734

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{587}}^1$

素因数の和:840

約数の個数: 32

約数和(自身を含む): 39626496

約数和(自身を除く): 18563762

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 233, 466, 587, 1174, 1631, 2563, 3262, 4109, 5126, 6457, 8218, 12914, 17941, 35882, 45199, 90398, 136771, 273542, 957397, 1504481, 1914794, 3008962, 10531367, 21062734]

約数ペア:

[(1, 21062734), (2, 10531367), (7, 3008962), (11, 1914794), (14, 1504481), (22, 957397), (77, 273542), (154, 136771), (233, 90398), (466, 45199), (587, 35882), (1174, 17941), (1631, 12914), (2563, 8218), (3262, 6457), (4109, 5126)]