21209144

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{241013}}^1$

素因数の和:241030

約数の個数: 16

約数和(自身を含む): 43382520

約数和(自身を除く): 22173376

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 241013, 482026, 964052, 1928104, 2651143, 5302286, 10604572, 21209144]

約数ペア:

[(1, 21209144), (2, 10604572), (4, 5302286), (8, 2651143), (11, 1928104), (22, 964052), (44, 482026), (88, 241013)]