21866500

素因数分解:

$2^2\times 5^3\times {\mathrm{101}}^1\times {\mathrm{433}}^1$

素因数の和:553

約数の個数: 48

約数和(自身を含む): 48340656

約数和(自身を除く): 26474156

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 125, 202, 250, 404, 433, 500, 505, 866, 1010, 1732, 2020, 2165, 2525, 4330, 5050, 8660, 10100, 10825, 12625, 21650, 25250, 43300, 43733, 50500, 54125, 87466, 108250, 174932, 216500, 218665, 437330, 874660, 1093325, 2186650, 4373300, 5466625, 10933250, 21866500]

約数ペア:

[(1, 21866500), (2, 10933250), (4, 5466625), (5, 4373300), (10, 2186650), (20, 1093325), (25, 874660), (50, 437330), (100, 218665), (101, 216500), (125, 174932), (202, 108250), (250, 87466), (404, 54125), (433, 50500), (500, 43733), (505, 43300), (866, 25250), (1010, 21650), (1732, 12625), (2020, 10825), (2165, 10100), (2525, 8660), (4330, 5050)]