21023744

素因数分解:

$2^{10}\times 7^2\times {\mathrm{419}}^1$

素因数の和:453

約数の個数: 66

約数和(自身を含む): 49005180

約数和(自身を除く): 27981436

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 419, 448, 512, 784, 838, 896, 1024, 1568, 1676, 1792, 2933, 3136, 3352, 3584, 5866, 6272, 6704, 7168, 11732, 12544, 13408, 20531, 23464, 25088, 26816, 41062, 46928, 50176, 53632, 82124, 93856, 107264, 164248, 187712, 214528, 328496, 375424, 429056, 656992, 750848, 1313984, 1501696, 2627968, 3003392, 5255936, 10511872, 21023744]

約数ペア:

[(1, 21023744), (2, 10511872), (4, 5255936), (7, 3003392), (8, 2627968), (14, 1501696), (16, 1313984), (28, 750848), (32, 656992), (49, 429056), (56, 375424), (64, 328496), (98, 214528), (112, 187712), (128, 164248), (196, 107264), (224, 93856), (256, 82124), (392, 53632), (419, 50176), (448, 46928), (512, 41062), (784, 26816), (838, 25088), (896, 23464), (1024, 20531), (1568, 13408), (1676, 12544), (1792, 11732), (2933, 7168), (3136, 6704), (3352, 6272), (3584, 5866)]