21173087

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3727}}^1$

素因数の和:3782

約数の個数: 16

約数和(自身を含む): 25052160

約数和(自身を除く): 3879073

約数列:

[1, 13, 19, 23, 247, 299, 437, 3727, 5681, 48451, 70813, 85721, 920569, 1114373, 1628699, 21173087]

約数ペア:

[(1, 21173087), (13, 1628699), (19, 1114373), (23, 920569), (247, 85721), (299, 70813), (437, 48451), (3727, 5681)]