21027426

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{4679}}^1$

素因数の和:4798

約数の個数: 32

約数和(自身を含む): 48522240

約数和(自身を除く): 27494814

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 107, 214, 321, 642, 749, 1498, 2247, 4494, 4679, 9358, 14037, 28074, 32753, 65506, 98259, 196518, 500653, 1001306, 1501959, 3003918, 3504571, 7009142, 10513713, 21027426]

約数ペア:

[(1, 21027426), (2, 10513713), (3, 7009142), (6, 3504571), (7, 3003918), (14, 1501959), (21, 1001306), (42, 500653), (107, 196518), (214, 98259), (321, 65506), (642, 32753), (749, 28074), (1498, 14037), (2247, 9358), (4494, 4679)]