21569896

素因数分解:

$2^3\times {\mathrm{653}}^1\times {\mathrm{4129}}^1$

素因数の和:4788

約数の個数: 16

約数和(自身を含む): 40515300

約数和(自身を除く): 18945404

約数列:

[1, 2, 4, 8, 653, 1306, 2612, 4129, 5224, 8258, 16516, 33032, 2696237, 5392474, 10784948, 21569896]

約数ペア:

[(1, 21569896), (2, 10784948), (4, 5392474), (8, 2696237), (653, 33032), (1306, 16516), (2612, 8258), (4129, 5224)]