21269733

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{1097}}^1$

素因数の和:1404

約数の個数: 16

約数和(自身を含む): 29725056

約数和(自身を除く): 8455323

約数列:

[1, 3, 23, 69, 281, 843, 1097, 3291, 6463, 19389, 25231, 75693, 308257, 924771, 7089911, 21269733]

約数ペア:

[(1, 21269733), (3, 7089911), (23, 924771), (69, 308257), (281, 75693), (843, 25231), (1097, 19389), (3291, 6463)]