21151552

素因数分解:

$2^6\times {\mathrm{167}}^1\times {\mathrm{1979}}^1$

素因数の和:2158

約数の個数: 28

約数和(自身を含む): 42245280

約数和(自身を除く): 21093728

約数列:

[1, 2, 4, 8, 16, 32, 64, 167, 334, 668, 1336, 1979, 2672, 3958, 5344, 7916, 10688, 15832, 31664, 63328, 126656, 330493, 660986, 1321972, 2643944, 5287888, 10575776, 21151552]

約数ペア:

[(1, 21151552), (2, 10575776), (4, 5287888), (8, 2643944), (16, 1321972), (32, 660986), (64, 330493), (167, 126656), (334, 63328), (668, 31664), (1336, 15832), (1979, 10688), (2672, 7916), (3958, 5344)]