21313168

素因数分解:

$2^4\times {\mathrm{307}}^1\times {\mathrm{4339}}^1$

素因数の和:4654

約数の個数: 20

約数和(自身を含む): 41438320

約数和(自身を除く): 20125152

約数列:

[1, 2, 4, 8, 16, 307, 614, 1228, 2456, 4339, 4912, 8678, 17356, 34712, 69424, 1332073, 2664146, 5328292, 10656584, 21313168]

約数ペア:

[(1, 21313168), (2, 10656584), (4, 5328292), (8, 2664146), (16, 1332073), (307, 69424), (614, 34712), (1228, 17356), (2456, 8678), (4339, 4912)]