21402700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19457}}^1$

素因数の和:19482

約数の個数: 36

約数和(自身を含む): 50668632

約数和(自身を除く): 29265932

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 19457, 38914, 77828, 97285, 194570, 214027, 389140, 428054, 486425, 856108, 972850, 1070135, 1945700, 2140270, 4280540, 5350675, 10701350, 21402700]

約数ペア:

[(1, 21402700), (2, 10701350), (4, 5350675), (5, 4280540), (10, 2140270), (11, 1945700), (20, 1070135), (22, 972850), (25, 856108), (44, 486425), (50, 428054), (55, 389140), (100, 214027), (110, 194570), (220, 97285), (275, 77828), (550, 38914), (1100, 19457)]