21000369722

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{3967}}^1\times {\mathrm{155699}}^1$

素因数の和:159685

約数の個数: 16

約数和(自身を含む): 33362150400

約数和(自身を除く): 12361780678

約数列:

[1, 2, 17, 34, 3967, 7934, 67439, 134878, 155699, 311398, 2646883, 5293766, 617657933, 1235315866, 10500184861, 21000369722]

約数ペア:

[(1, 21000369722), (2, 10500184861), (17, 1235315866), (34, 617657933), (3967, 5293766), (7934, 2646883), (67439, 311398), (134878, 155699)]