21092236

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{43579}}^1$

素因数の和:43605

約数の個数: 18

約数和(自身を含む): 40572980

約数和(自身を除く): 19480744

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 43579, 87158, 174316, 479369, 958738, 1917476, 5273059, 10546118, 21092236]

約数ペア:

[(1, 21092236), (2, 10546118), (4, 5273059), (11, 1917476), (22, 958738), (44, 479369), (121, 174316), (242, 87158), (484, 43579)]