21484035

素因数分解:

$3^4\times 5^1\times {\mathrm{53047}}^1$

素因数の和:53064

約数の個数: 20

約数和(自身を含む): 38512848

約数和(自身を除く): 17028813

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 53047, 159141, 265235, 477423, 795705, 1432269, 2387115, 4296807, 7161345, 21484035]

約数ペア:

[(1, 21484035), (3, 7161345), (5, 4296807), (9, 2387115), (15, 1432269), (27, 795705), (45, 477423), (81, 265235), (135, 159141), (405, 53047)]