16398921

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{70991}}^1$

素因数の和:71012

約数の個数: 16

約数和(自身を含む): 27260928

約数和(自身を除く): 10862007

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 70991, 212973, 496937, 780901, 1490811, 2342703, 5466307, 16398921]

約数ペア:

[(1, 16398921), (3, 5466307), (7, 2342703), (11, 1490811), (21, 780901), (33, 496937), (77, 212973), (231, 70991)]