21265272

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{42193}}^1$

素因数の和:42212

約数の個数: 48

約数和(自身を含む): 65822640

約数和(自身を除く): 44557368

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 42193, 84386, 126579, 168772, 253158, 295351, 337544, 379737, 506316, 590702, 759474, 886053, 1012632, 1181404, 1518948, 1772106, 2362808, 2658159, 3037896, 3544212, 5316318, 7088424, 10632636, 21265272]

約数ペア:

[(1, 21265272), (2, 10632636), (3, 7088424), (4, 5316318), (6, 3544212), (7, 3037896), (8, 2658159), (9, 2362808), (12, 1772106), (14, 1518948), (18, 1181404), (21, 1012632), (24, 886053), (28, 759474), (36, 590702), (42, 506316), (56, 379737), (63, 337544), (72, 295351), (84, 253158), (126, 168772), (168, 126579), (252, 84386), (504, 42193)]