21083744

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{673}}^1$

素因数の和:783

約数の個数: 48

約数和(自身を含む): 45858960

約数和(自身を除く): 24775216

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 89, 176, 178, 352, 356, 673, 712, 979, 1346, 1424, 1958, 2692, 2848, 3916, 5384, 7403, 7832, 10768, 14806, 15664, 21536, 29612, 31328, 59224, 59897, 118448, 119794, 236896, 239588, 479176, 658867, 958352, 1317734, 1916704, 2635468, 5270936, 10541872, 21083744]

約数ペア:

[(1, 21083744), (2, 10541872), (4, 5270936), (8, 2635468), (11, 1916704), (16, 1317734), (22, 958352), (32, 658867), (44, 479176), (88, 239588), (89, 236896), (176, 119794), (178, 118448), (352, 59897), (356, 59224), (673, 31328), (712, 29612), (979, 21536), (1346, 15664), (1424, 14806), (1958, 10768), (2692, 7832), (2848, 7403), (3916, 5384)]