21256192

素因数分解:

$2^{11}\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 43341480

約数和(自身を除く): 22085288

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 107, 128, 194, 214, 256, 388, 428, 512, 776, 856, 1024, 1552, 1712, 2048, 3104, 3424, 6208, 6848, 10379, 12416, 13696, 20758, 24832, 27392, 41516, 49664, 54784, 83032, 99328, 109568, 166064, 198656, 219136, 332128, 664256, 1328512, 2657024, 5314048, 10628096, 21256192]

約数ペア:

[(1, 21256192), (2, 10628096), (4, 5314048), (8, 2657024), (16, 1328512), (32, 664256), (64, 332128), (97, 219136), (107, 198656), (128, 166064), (194, 109568), (214, 99328), (256, 83032), (388, 54784), (428, 49664), (512, 41516), (776, 27392), (856, 24832), (1024, 20758), (1552, 13696), (1712, 12416), (2048, 10379), (3104, 6848), (3424, 6208)]