210621572

素因数分解:

$2^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{69011}}^1$

素因数の和:69131

約数の個数: 24

約数和(自身を含む): 425113920

約数和(自身を除く): 214492348

約数列:

[1, 2, 4, 7, 14, 28, 109, 218, 436, 763, 1526, 3052, 69011, 138022, 276044, 483077, 966154, 1932308, 7522199, 15044398, 30088796, 52655393, 105310786, 210621572]

約数ペア:

[(1, 210621572), (2, 105310786), (4, 52655393), (7, 30088796), (14, 15044398), (28, 7522199), (109, 1932308), (218, 966154), (436, 483077), (763, 276044), (1526, 138022), (3052, 69011)]