21906829

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{9689}}^1$

素因数の和:9732

約数の個数: 16

約数和(自身を含む): 27907200

約数和(自身を除く): 6000371

約数列:

[1, 7, 17, 19, 119, 133, 323, 2261, 9689, 67823, 164713, 184091, 1152991, 1288637, 3129547, 21906829]

約数ペア:

[(1, 21906829), (7, 3129547), (17, 1288637), (19, 1152991), (119, 184091), (133, 164713), (323, 67823), (2261, 9689)]