21242419

素因数分解:

${\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1$

素因数の和:602

約数の個数: 16

約数和(自身を含む): 23950080

約数和(自身を除く): 2707661

約数列:

[1, 11, 59, 71, 461, 649, 781, 4189, 5071, 27199, 32731, 46079, 299189, 360041, 1931129, 21242419]

約数ペア:

[(1, 21242419), (11, 1931129), (59, 360041), (71, 299189), (461, 46079), (649, 32731), (781, 27199), (4189, 5071)]