21274624

素因数分解:

$2^{13}\times 7^2\times {\mathrm{53}}^1$

素因数の和:93

約数の個数: 84

約数和(自身を含む): 50426874

約数和(自身を除く): 29152250

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 53, 56, 64, 98, 106, 112, 128, 196, 212, 224, 256, 371, 392, 424, 448, 512, 742, 784, 848, 896, 1024, 1484, 1568, 1696, 1792, 2048, 2597, 2968, 3136, 3392, 3584, 4096, 5194, 5936, 6272, 6784, 7168, 8192, 10388, 11872, 12544, 13568, 14336, 20776, 23744, 25088, 27136, 28672, 41552, 47488, 50176, 54272, 57344, 83104, 94976, 100352, 108544, 166208, 189952, 200704, 217088, 332416, 379904, 401408, 434176, 664832, 759808, 1329664, 1519616, 2659328, 3039232, 5318656, 10637312, 21274624]

約数ペア:

[(1, 21274624), (2, 10637312), (4, 5318656), (7, 3039232), (8, 2659328), (14, 1519616), (16, 1329664), (28, 759808), (32, 664832), (49, 434176), (53, 401408), (56, 379904), (64, 332416), (98, 217088), (106, 200704), (112, 189952), (128, 166208), (196, 108544), (212, 100352), (224, 94976), (256, 83104), (371, 57344), (392, 54272), (424, 50176), (448, 47488), (512, 41552), (742, 28672), (784, 27136), (848, 25088), (896, 23744), (1024, 20776), (1484, 14336), (1568, 13568), (1696, 12544), (1792, 11872), (2048, 10388), (2597, 8192), (2968, 7168), (3136, 6784), (3392, 6272), (3584, 5936), (4096, 5194)]