21167131436

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{126631}}^1$

素因数の和:126806

約数の個数: 48

約数和(自身を含む): 42122868480

約数和(自身を除く): 20955737044

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 131, 262, 319, 524, 638, 1276, 1441, 2882, 3799, 5764, 7598, 15196, 41789, 83578, 126631, 167156, 253262, 506524, 1392941, 2785882, 3672299, 5571764, 7344598, 14689196, 16588661, 33177322, 40395289, 66354644, 80790578, 161581156, 182475271, 364950542, 481071169, 729901084, 962142338, 1924284676, 5291782859, 10583565718, 21167131436]

約数ペア:

[(1, 21167131436), (2, 10583565718), (4, 5291782859), (11, 1924284676), (22, 962142338), (29, 729901084), (44, 481071169), (58, 364950542), (116, 182475271), (131, 161581156), (262, 80790578), (319, 66354644), (524, 40395289), (638, 33177322), (1276, 16588661), (1441, 14689196), (2882, 7344598), (3799, 5571764), (5764, 3672299), (7598, 2785882), (15196, 1392941), (41789, 506524), (83578, 253262), (126631, 167156)]