21095514896

素因数分解:

$2^4\times {\mathrm{461}}^1\times {\mathrm{2860021}}^1$

素因数の和:2860490

約数の個数: 20

約数和(自身を含む): 40961235084

約数和(自身を除く): 19865720188

約数列:

[1, 2, 4, 8, 16, 461, 922, 1844, 3688, 7376, 2860021, 5720042, 11440084, 22880168, 45760336, 1318469681, 2636939362, 5273878724, 10547757448, 21095514896]

約数ペア:

[(1, 21095514896), (2, 10547757448), (4, 5273878724), (8, 2636939362), (16, 1318469681), (461, 45760336), (922, 22880168), (1844, 11440084), (3688, 5720042), (7376, 2860021)]