21694144

素因数分解:

$2^6\times {\mathrm{419}}^1\times {\mathrm{809}}^1$

素因数の和:1240

約数の個数: 28

約数和(自身を含む): 43205400

約数和(自身を除く): 21511256

約数列:

[1, 2, 4, 8, 16, 32, 64, 419, 809, 838, 1618, 1676, 3236, 3352, 6472, 6704, 12944, 13408, 25888, 26816, 51776, 338971, 677942, 1355884, 2711768, 5423536, 10847072, 21694144]

約数ペア:

[(1, 21694144), (2, 10847072), (4, 5423536), (8, 2711768), (16, 1355884), (32, 677942), (64, 338971), (419, 51776), (809, 26816), (838, 25888), (1618, 13408), (1676, 12944), (3236, 6704), (3352, 6472)]