21771045

素因数分解:

$3^3\times 5^1\times {\mathrm{161267}}^1$

素因数の和:161281

約数の個数: 16

約数和(自身を含む): 38704320

約数和(自身を除く): 16933275

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 161267, 483801, 806335, 1451403, 2419005, 4354209, 7257015, 21771045]

約数ペア:

[(1, 21771045), (3, 7257015), (5, 4354209), (9, 2419005), (15, 1451403), (27, 806335), (45, 483801), (135, 161267)]