21564117

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{16993}}^1$

素因数の和:17049

約数の個数: 16

約数和(自身を含む): 32628480

約数和(自身を除く): 11064363

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 16993, 50979, 152937, 458811, 798671, 2396013, 7188039, 21564117]

約数ペア:

[(1, 21564117), (3, 7188039), (9, 2396013), (27, 798671), (47, 458811), (141, 152937), (423, 50979), (1269, 16993)]