21634863

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{269}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 32659200

約数和(自身を除く): 11024337

約数列:

[1, 3, 17, 19, 51, 57, 83, 249, 269, 323, 807, 969, 1411, 1577, 4233, 4573, 4731, 5111, 13719, 15333, 22327, 26809, 66981, 80427, 86887, 260661, 379559, 424213, 1138677, 1272639, 7211621, 21634863]

約数ペア:

[(1, 21634863), (3, 7211621), (17, 1272639), (19, 1138677), (51, 424213), (57, 379559), (83, 260661), (249, 86887), (269, 80427), (323, 66981), (807, 26809), (969, 22327), (1411, 15333), (1577, 13719), (4233, 5111), (4573, 4731)]