21262472

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4931}}^1$

素因数の和:4962

約数の個数: 48

約数和(自身を含む): 50602320

約数和(自身を除く): 29339848

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 392, 539, 616, 1078, 2156, 4312, 4931, 9862, 19724, 34517, 39448, 54241, 69034, 108482, 138068, 216964, 241619, 276136, 379687, 433928, 483238, 759374, 966476, 1518748, 1932952, 2657809, 3037496, 5315618, 10631236, 21262472]

約数ペア:

[(1, 21262472), (2, 10631236), (4, 5315618), (7, 3037496), (8, 2657809), (11, 1932952), (14, 1518748), (22, 966476), (28, 759374), (44, 483238), (49, 433928), (56, 379687), (77, 276136), (88, 241619), (98, 216964), (154, 138068), (196, 108482), (308, 69034), (392, 54241), (539, 39448), (616, 34517), (1078, 19724), (2156, 9862), (4312, 4931)]