21685441

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{283}}^1$

素因数の和:448

約数の個数: 16

約数和(自身を含む): 23742400

約数和(自身を除く): 2056959

約数列:

[1, 19, 37, 109, 283, 703, 2071, 4033, 5377, 10471, 30847, 76627, 198949, 586093, 1141339, 21685441]

約数ペア:

[(1, 21685441), (19, 1141339), (37, 586093), (109, 198949), (283, 76627), (703, 30847), (2071, 10471), (4033, 5377)]