21277845

素因数分解:

$3^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{2083}}^1$

素因数の和:2321

約数の個数: 24

約数和(自身を含む): 37061856

約数和(自身を除く): 15784011

約数列:

[1, 3, 5, 9, 15, 45, 227, 681, 1135, 2043, 2083, 3405, 6249, 10215, 10415, 18747, 31245, 93735, 472841, 1418523, 2364205, 4255569, 7092615, 21277845]

約数ペア:

[(1, 21277845), (3, 7092615), (5, 4255569), (9, 2364205), (15, 1418523), (45, 472841), (227, 93735), (681, 31245), (1135, 18747), (2043, 10415), (2083, 10215), (3405, 6249)]