21443056

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{6803}}^1$

素因数の和:7008

約数の個数: 20

約数和(自身を含む): 41762952

約数和(自身を除く): 20319896

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 6803, 13606, 27212, 54424, 108848, 1340191, 2680382, 5360764, 10721528, 21443056]

約数ペア:

[(1, 21443056), (2, 10721528), (4, 5360764), (8, 2680382), (16, 1340191), (197, 108848), (394, 54424), (788, 27212), (1576, 13606), (3152, 6803)]