21477105

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36713}}^1$

素因数の和:36737

約数の個数: 24

約数和(自身を含む): 40091688

約数和(自身を除く): 18614583

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 36713, 110139, 183565, 330417, 477269, 550695, 1431807, 1652085, 2386345, 4295421, 7159035, 21477105]

約数ペア:

[(1, 21477105), (3, 7159035), (5, 4295421), (9, 2386345), (13, 1652085), (15, 1431807), (39, 550695), (45, 477269), (65, 330417), (117, 183565), (195, 110139), (585, 36713)]