21373250900

素因数分解:

$2^2\times 5^2\times {\mathrm{213732509}}^1$

素因数の和:213732523

約数の個数: 18

約数和(自身を含む): 46379954670

約数和(自身を除く): 25006703770

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 213732509, 427465018, 854930036, 1068662545, 2137325090, 4274650180, 5343312725, 10686625450, 21373250900]

約数ペア:

[(1, 21373250900), (2, 10686625450), (4, 5343312725), (5, 4274650180), (10, 2137325090), (20, 1068662545), (25, 854930036), (50, 427465018), (100, 213732509)]