21077178

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{206639}}^1$

素因数の和:206661

約数の個数: 16

約数和(自身を含む): 44634240

約数和(自身を除く): 23557062

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 206639, 413278, 619917, 1239834, 3512863, 7025726, 10538589, 21077178]

約数ペア:

[(1, 21077178), (2, 10538589), (3, 7025726), (6, 3512863), (17, 1239834), (34, 619917), (51, 413278), (102, 206639)]