21009758

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{601}}^1$

素因数の和:848

約数の個数: 32

約数和(自身を含む): 39529728

約数和(自身を除く): 18519970

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 227, 454, 601, 1202, 1589, 2497, 3178, 4207, 4994, 6611, 8414, 13222, 17479, 34958, 46277, 92554, 136427, 272854, 954989, 1500697, 1909978, 3001394, 10504879, 21009758]

約数ペア:

[(1, 21009758), (2, 10504879), (7, 3001394), (11, 1909978), (14, 1500697), (22, 954989), (77, 272854), (154, 136427), (227, 92554), (454, 46277), (601, 34958), (1202, 17479), (1589, 13222), (2497, 8414), (3178, 6611), (4207, 4994)]