21437778821

素因数分解:

${\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{643}}^1\times {\mathrm{7457}}^1$

素因数の和:8380

約数の個数: 16

約数和(自身を含む): 22823627904

約数和(自身を除く): 1385849083

約数列:

[1, 17, 263, 643, 4471, 7457, 10931, 126769, 169109, 1961191, 2874853, 4794851, 33340247, 81512467, 1261045813, 21437778821]

約数ペア:

[(1, 21437778821), (17, 1261045813), (263, 81512467), (643, 33340247), (4471, 4794851), (7457, 2874853), (10931, 1961191), (126769, 169109)]