21114935

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:227

約数の個数: 32

約数和(自身を含む): 28226880

約数和(自身を除く): 7111945

約数列:

[1, 5, 17, 43, 53, 85, 109, 215, 265, 545, 731, 901, 1853, 2279, 3655, 4505, 4687, 5777, 9265, 11395, 23435, 28885, 38743, 79679, 98209, 193715, 248411, 398395, 491045, 1242055, 4222987, 21114935]

約数ペア:

[(1, 21114935), (5, 4222987), (17, 1242055), (43, 491045), (53, 398395), (85, 248411), (109, 193715), (215, 98209), (265, 79679), (545, 38743), (731, 28885), (901, 23435), (1853, 11395), (2279, 9265), (3655, 5777), (4505, 4687)]