21569214986

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{769}}^1\times {\mathrm{43963}}^1$

素因数の和:44774

約数の個数: 32

約数和(自身を含む): 36560462400

約数和(自身を除く): 14991247414

約数列:

[1, 2, 11, 22, 29, 58, 319, 638, 769, 1538, 8459, 16918, 22301, 43963, 44602, 87926, 245311, 483593, 490622, 967186, 1274927, 2549854, 14024197, 28048394, 33807547, 67615094, 371883017, 743766034, 980418863, 1960837726, 10784607493, 21569214986]

約数ペア:

[(1, 21569214986), (2, 10784607493), (11, 1960837726), (22, 980418863), (29, 743766034), (58, 371883017), (319, 67615094), (638, 33807547), (769, 28048394), (1538, 14024197), (8459, 2549854), (16918, 1274927), (22301, 967186), (43963, 490622), (44602, 483593), (87926, 245311)]