21199079

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{9221}}^1$

素因数の和:9262

約数の個数: 12

約数和(自身を含む): 24530520

約数和(自身を除く): 3331441

約数列:

[1, 11, 19, 121, 209, 2299, 9221, 101431, 175199, 1115741, 1927189, 21199079]

約数ペア:

[(1, 21199079), (11, 1927189), (19, 1115741), (121, 175199), (209, 101431), (2299, 9221)]