21126897

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{3617}}^1$

素因数の和:3693

約数の個数: 24

約数和(自身を含む): 33864480

約数和(自身を除く): 12737583

約数列:

[1, 3, 9, 11, 33, 59, 99, 177, 531, 649, 1947, 3617, 5841, 10851, 32553, 39787, 119361, 213403, 358083, 640209, 1920627, 2347433, 7042299, 21126897]

約数ペア:

[(1, 21126897), (3, 7042299), (9, 2347433), (11, 1920627), (33, 640209), (59, 358083), (99, 213403), (177, 119361), (531, 39787), (649, 32553), (1947, 10851), (3617, 5841)]