21666045

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{49807}}^1$

素因数の和:49844

約数の個数: 16

約数和(自身を含む): 35861760

約数和(自身を除く): 14195715

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 49807, 149421, 249035, 747105, 1444403, 4333209, 7222015, 21666045]

約数ペア:

[(1, 21666045), (3, 7222015), (5, 4333209), (15, 1444403), (29, 747105), (87, 249035), (145, 149421), (435, 49807)]