21199035

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9883}}^1$

素因数の和:9915

約数の個数: 32

約数和(自身を含む): 39852288

約数和(自身を除く): 18653253

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145, 9883, 29649, 49415, 108713, 128479, 148245, 326139, 385437, 543565, 642395, 1413269, 1630695, 1927185, 4239807, 7066345, 21199035]

約数ペア:

[(1, 21199035), (3, 7066345), (5, 4239807), (11, 1927185), (13, 1630695), (15, 1413269), (33, 642395), (39, 543565), (55, 385437), (65, 326139), (143, 148245), (165, 128479), (195, 108713), (429, 49415), (715, 29649), (2145, 9883)]