21335629

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{3659}}^1$

素因数の和:3697

約数の個数: 16

約数和(自身を含む): 26352000

約数和(自身を除く): 5016371

約数列:

[1, 7, 17, 49, 119, 343, 833, 3659, 5831, 25613, 62203, 179291, 435421, 1255037, 3047947, 21335629]

約数ペア:

[(1, 21335629), (7, 3047947), (17, 1255037), (49, 435421), (119, 179291), (343, 62203), (833, 25613), (3659, 5831)]