21408045

素因数分解:

$3^1\times 5^1\times {\mathrm{293}}^1\times {\mathrm{4871}}^1$

素因数の和:5172

約数の個数: 16

約数和(自身を含む): 34376832

約数和(自身を除く): 12968787

約数列:

[1, 3, 5, 15, 293, 879, 1465, 4395, 4871, 14613, 24355, 73065, 1427203, 4281609, 7136015, 21408045]

約数ペア:

[(1, 21408045), (3, 7136015), (5, 4281609), (15, 1427203), (293, 73065), (879, 24355), (1465, 14613), (4395, 4871)]