21724672

素因数分解:

$2^9\times {\mathrm{151}}^1\times {\mathrm{281}}^1$

素因数の和:450

約数の個数: 40

約数和(自身を含む): 43849872

約数和(自身を除く): 22125200

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 151, 256, 281, 302, 512, 562, 604, 1124, 1208, 2248, 2416, 4496, 4832, 8992, 9664, 17984, 19328, 35968, 38656, 42431, 71936, 77312, 84862, 143872, 169724, 339448, 678896, 1357792, 2715584, 5431168, 10862336, 21724672]

約数ペア:

[(1, 21724672), (2, 10862336), (4, 5431168), (8, 2715584), (16, 1357792), (32, 678896), (64, 339448), (128, 169724), (151, 143872), (256, 84862), (281, 77312), (302, 71936), (512, 42431), (562, 38656), (604, 35968), (1124, 19328), (1208, 17984), (2248, 9664), (2416, 8992), (4496, 4832)]