21301184

素因数分解:

$2^6\times {\mathrm{167}}^1\times {\mathrm{1993}}^1$

素因数の和:2172

約数の個数: 28

約数和(自身を含む): 42543984

約数和(自身を除く): 21242800

約数列:

[1, 2, 4, 8, 16, 32, 64, 167, 334, 668, 1336, 1993, 2672, 3986, 5344, 7972, 10688, 15944, 31888, 63776, 127552, 332831, 665662, 1331324, 2662648, 5325296, 10650592, 21301184]

約数ペア:

[(1, 21301184), (2, 10650592), (4, 5325296), (8, 2662648), (16, 1331324), (32, 665662), (64, 332831), (167, 127552), (334, 63776), (668, 31888), (1336, 15944), (1993, 10688), (2672, 7972), (3986, 5344)]