21730016

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8819}}^1$

素因数の和:8847

約数の個数: 48

約数和(自身を含む): 53343360

約数和(自身を除く): 31613344

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 154, 176, 224, 308, 352, 616, 1232, 2464, 8819, 17638, 35276, 61733, 70552, 97009, 123466, 141104, 194018, 246932, 282208, 388036, 493864, 679063, 776072, 987728, 1358126, 1552144, 1975456, 2716252, 3104288, 5432504, 10865008, 21730016]

約数ペア:

[(1, 21730016), (2, 10865008), (4, 5432504), (7, 3104288), (8, 2716252), (11, 1975456), (14, 1552144), (16, 1358126), (22, 987728), (28, 776072), (32, 679063), (44, 493864), (56, 388036), (77, 282208), (88, 246932), (112, 194018), (154, 141104), (176, 123466), (224, 97009), (308, 70552), (352, 61733), (616, 35276), (1232, 17638), (2464, 8819)]