21683823

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{8677}}^1$

素因数の和:8711

約数の個数: 24

約数和(自身を含む): 35614512

約数和(自身を除く): 13930689

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 8677, 26031, 60739, 147509, 182217, 425173, 442527, 1032563, 1275519, 3097689, 7227941, 21683823]

約数ペア:

[(1, 21683823), (3, 7227941), (7, 3097689), (17, 1275519), (21, 1032563), (49, 442527), (51, 425173), (119, 182217), (147, 147509), (357, 60739), (833, 26031), (2499, 8677)]