21993664

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4463}}^1$

素因数の和:4493

約数の個数: 56

約数和(自身を含む): 54425088

約数和(自身を除く): 32431424

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 154, 176, 224, 308, 352, 448, 616, 704, 1232, 2464, 4463, 4928, 8926, 17852, 31241, 35704, 49093, 62482, 71408, 98186, 124964, 142816, 196372, 249928, 285632, 343651, 392744, 499856, 687302, 785488, 999712, 1374604, 1570976, 1999424, 2749208, 3141952, 5498416, 10996832, 21993664]

約数ペア:

[(1, 21993664), (2, 10996832), (4, 5498416), (7, 3141952), (8, 2749208), (11, 1999424), (14, 1570976), (16, 1374604), (22, 999712), (28, 785488), (32, 687302), (44, 499856), (56, 392744), (64, 343651), (77, 285632), (88, 249928), (112, 196372), (154, 142816), (176, 124964), (224, 98186), (308, 71408), (352, 62482), (448, 49093), (616, 35704), (704, 31241), (1232, 17852), (2464, 8926), (4463, 4928)]