21613264

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{6857}}^1$

素因数の和:7062

約数の個数: 20

約数和(自身を含む): 42094404

約数和(自身を除く): 20481140

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 6857, 13714, 27428, 54856, 109712, 1350829, 2701658, 5403316, 10806632, 21613264]

約数ペア:

[(1, 21613264), (2, 10806632), (4, 5403316), (8, 2701658), (16, 1350829), (197, 109712), (394, 54856), (788, 27428), (1576, 13714), (3152, 6857)]