21935272

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{144311}}^1$

素因数の和:144336

約数の個数: 16

約数和(自身を含む): 43293600

約数和(自身を除く): 21358328

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 144311, 288622, 577244, 1154488, 2741909, 5483818, 10967636, 21935272]

約数ペア:

[(1, 21935272), (2, 10967636), (4, 5483818), (8, 2741909), (19, 1154488), (38, 577244), (76, 288622), (152, 144311)]