11999421

素因数分解:

$3^4\times 7^1\times {\mathrm{21163}}^1$

素因数の和:21182

約数の個数: 20

約数和(自身を含む): 20486752

約数和(自身を除く): 8487331

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 21163, 63489, 148141, 190467, 444423, 571401, 1333269, 1714203, 3999807, 11999421]

約数ペア:

[(1, 11999421), (3, 3999807), (7, 1714203), (9, 1333269), (21, 571401), (27, 444423), (63, 190467), (81, 148141), (189, 63489), (567, 21163)]