21177283

素因数分解:

${\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:294

約数の個数: 16

約数和(自身を含む): 22572000

約数和(自身を除く): 1394717

約数列:

[1, 37, 59, 89, 109, 2183, 3293, 4033, 5251, 6431, 9701, 194287, 237947, 358937, 572359, 21177283]

約数ペア:

[(1, 21177283), (37, 572359), (59, 358937), (89, 237947), (109, 194287), (2183, 9701), (3293, 6431), (4033, 5251)]