21032900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{30047}}^1$

素因数の和:30068

約数の個数: 36

約数和(自身を含む): 52163328

約数和(自身を除く): 31130428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 30047, 60094, 120188, 150235, 210329, 300470, 420658, 600940, 751175, 841316, 1051645, 1502350, 2103290, 3004700, 4206580, 5258225, 10516450, 21032900]

約数ペア:

[(1, 21032900), (2, 10516450), (4, 5258225), (5, 4206580), (7, 3004700), (10, 2103290), (14, 1502350), (20, 1051645), (25, 841316), (28, 751175), (35, 600940), (50, 420658), (70, 300470), (100, 210329), (140, 150235), (175, 120188), (350, 60094), (700, 30047)]