21960296

素因数分解:

$2^3\times {\mathrm{509}}^1\times {\mathrm{5393}}^1$

素因数の和:5908

約数の個数: 16

約数和(自身を含む): 41264100

約数和(自身を除く): 19303804

約数列:

[1, 2, 4, 8, 509, 1018, 2036, 4072, 5393, 10786, 21572, 43144, 2745037, 5490074, 10980148, 21960296]

約数ペア:

[(1, 21960296), (2, 10980148), (4, 5490074), (8, 2745037), (509, 43144), (1018, 21572), (2036, 10786), (4072, 5393)]