21418683

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{49927}}^1$

素因数の和:49954

約数の個数: 16

約数和(自身を含む): 33551616

約数和(自身を除く): 12132933

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 49927, 149781, 549197, 649051, 1647591, 1947153, 7139561, 21418683]

約数ペア:

[(1, 21418683), (3, 7139561), (11, 1947153), (13, 1647591), (33, 649051), (39, 549197), (143, 149781), (429, 49927)]