21324080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{14029}}^1$

素因数の和:14061

約数の個数: 40

約数和(自身を含む): 52191600

約数和(自身を除く): 30867520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 14029, 28058, 56116, 70145, 112232, 140290, 224464, 266551, 280580, 533102, 561160, 1066204, 1122320, 1332755, 2132408, 2665510, 4264816, 5331020, 10662040, 21324080]

約数ペア:

[(1, 21324080), (2, 10662040), (4, 5331020), (5, 4264816), (8, 2665510), (10, 2132408), (16, 1332755), (19, 1122320), (20, 1066204), (38, 561160), (40, 533102), (76, 280580), (80, 266551), (95, 224464), (152, 140290), (190, 112232), (304, 70145), (380, 56116), (760, 28058), (1520, 14029)]