21553872

素因数分解:

$2^4\times 3^1\times {\mathrm{251}}^1\times {\mathrm{1789}}^1$

素因数の和:2051

約数の個数: 40

約数和(自身を含む): 55933920

約数和(自身を除く): 34380048

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 251, 502, 753, 1004, 1506, 1789, 2008, 3012, 3578, 4016, 5367, 6024, 7156, 10734, 12048, 14312, 21468, 28624, 42936, 85872, 449039, 898078, 1347117, 1796156, 2694234, 3592312, 5388468, 7184624, 10776936, 21553872]

約数ペア:

[(1, 21553872), (2, 10776936), (3, 7184624), (4, 5388468), (6, 3592312), (8, 2694234), (12, 1796156), (16, 1347117), (24, 898078), (48, 449039), (251, 85872), (502, 42936), (753, 28624), (1004, 21468), (1506, 14312), (1789, 12048), (2008, 10734), (3012, 7156), (3578, 6024), (4016, 5367)]