21210968

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6781}}^1$

素因数の和:6827

約数の個数: 32

約数和(自身を含む): 43947360

約数和(自身を除く): 22736392

約数列:

[1, 2, 4, 8, 17, 23, 34, 46, 68, 92, 136, 184, 391, 782, 1564, 3128, 6781, 13562, 27124, 54248, 115277, 155963, 230554, 311926, 461108, 623852, 922216, 1247704, 2651371, 5302742, 10605484, 21210968]

約数ペア:

[(1, 21210968), (2, 10605484), (4, 5302742), (8, 2651371), (17, 1247704), (23, 922216), (34, 623852), (46, 461108), (68, 311926), (92, 230554), (136, 155963), (184, 115277), (391, 54248), (782, 27124), (1564, 13562), (3128, 6781)]