21564950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{39209}}^1$

素因数の和:39232

約数の個数: 24

約数和(自身を含む): 43758360

約数和(自身を除く): 22193410

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 39209, 78418, 196045, 392090, 431299, 862598, 980225, 1960450, 2156495, 4312990, 10782475, 21564950]

約数ペア:

[(1, 21564950), (2, 10782475), (5, 4312990), (10, 2156495), (11, 1960450), (22, 980225), (25, 862598), (50, 431299), (55, 392090), (110, 196045), (275, 78418), (550, 39209)]