21603463

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{661}}^1$

素因数の和:727

約数の個数: 24

約数和(自身を含む): 27168480

約数和(自身を除く): 5565017

約数列:

[1, 7, 23, 29, 49, 161, 203, 661, 667, 1127, 1421, 4627, 4669, 15203, 19169, 32389, 32683, 106421, 134183, 440887, 744947, 939281, 3086209, 21603463]

約数ペア:

[(1, 21603463), (7, 3086209), (23, 939281), (29, 744947), (49, 440887), (161, 134183), (203, 106421), (661, 32683), (667, 32389), (1127, 19169), (1421, 15203), (4627, 4669)]