21000816732

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{250009723}}^1$

素因数の和:250009737

約数の個数: 24

約数和(自身を含む): 56002178176

約数和(自身を除く): 35001361444

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 250009723, 500019446, 750029169, 1000038892, 1500058338, 1750068061, 3000116676, 3500136122, 5250204183, 7000272244, 10500408366, 21000816732]

約数ペア:

[(1, 21000816732), (2, 10500408366), (3, 7000272244), (4, 5250204183), (6, 3500136122), (7, 3000116676), (12, 1750068061), (14, 1500058338), (21, 1000038892), (28, 750029169), (42, 500019446), (84, 250009723)]