21855435

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{208147}}^1$

素因数の和:208162

約数の個数: 16

約数和(自身を含む): 39964416

約数和(自身を除く): 18108981

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 208147, 624441, 1040735, 1457029, 3122205, 4371087, 7285145, 21855435]

約数ペア:

[(1, 21855435), (3, 7285145), (5, 4371087), (7, 3122205), (15, 1457029), (21, 1040735), (35, 624441), (105, 208147)]