21034426

素因数分解:

$2^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{5801}}^1$

素因数の和:5854

約数の個数: 24

約数和(自身を含む): 37701396

約数和(自身を除く): 16666970

約数列:

[1, 2, 7, 14, 37, 49, 74, 98, 259, 518, 1813, 3626, 5801, 11602, 40607, 81214, 214637, 284249, 429274, 568498, 1502459, 3004918, 10517213, 21034426]

約数ペア:

[(1, 21034426), (2, 10517213), (7, 3004918), (14, 1502459), (37, 568498), (49, 429274), (74, 284249), (98, 214637), (259, 81214), (518, 40607), (1813, 11602), (3626, 5801)]