21330308

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{4297}}^1$

素因数の和:4391

約数の個数: 24

約数和(自身を含む): 40074552

約数和(自身を除く): 18744244

約数列:

[1, 2, 4, 17, 34, 68, 73, 146, 292, 1241, 2482, 4297, 4964, 8594, 17188, 73049, 146098, 292196, 313681, 627362, 1254724, 5332577, 10665154, 21330308]

約数ペア:

[(1, 21330308), (2, 10665154), (4, 5332577), (17, 1254724), (34, 627362), (68, 313681), (73, 292196), (146, 146098), (292, 73049), (1241, 17188), (2482, 8594), (4297, 4964)]