21978339584

素因数分解:

$2^8\times {\mathrm{127}}^1\times {\mathrm{676007}}^1$

素因数の和:676150

約数の個数: 36

約数和(自身を含む): 44216331264

約数和(自身を除く): 22237991680

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 256, 508, 1016, 2032, 4064, 8128, 16256, 32512, 676007, 1352014, 2704028, 5408056, 10816112, 21632224, 43264448, 85852889, 86528896, 171705778, 173057792, 343411556, 686823112, 1373646224, 2747292448, 5494584896, 10989169792, 21978339584]

約数ペア:

[(1, 21978339584), (2, 10989169792), (4, 5494584896), (8, 2747292448), (16, 1373646224), (32, 686823112), (64, 343411556), (127, 173057792), (128, 171705778), (254, 86528896), (256, 85852889), (508, 43264448), (1016, 21632224), (2032, 10816112), (4064, 5408056), (8128, 2704028), (16256, 1352014), (32512, 676007)]