21009044

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{2897}}^1$

素因数の和:2952

約数の個数: 36

約数和(自身を含む): 43939476

約数和(自身を除く): 22930432

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 148, 196, 259, 518, 1036, 1813, 2897, 3626, 5794, 7252, 11588, 20279, 40558, 81116, 107189, 141953, 214378, 283906, 428756, 567812, 750323, 1500646, 3001292, 5252261, 10504522, 21009044]

約数ペア:

[(1, 21009044), (2, 10504522), (4, 5252261), (7, 3001292), (14, 1500646), (28, 750323), (37, 567812), (49, 428756), (74, 283906), (98, 214378), (148, 141953), (196, 107189), (259, 81116), (518, 40558), (1036, 20279), (1813, 11588), (2897, 7252), (3626, 5794)]