21505216

素因数分解:

$2^6\times {\mathrm{73}}^1\times {\mathrm{4603}}^1$

素因数の和:4688

約数の個数: 28

約数和(自身を含む): 43268392

約数和(自身を除く): 21763176

約数列:

[1, 2, 4, 8, 16, 32, 64, 73, 146, 292, 584, 1168, 2336, 4603, 4672, 9206, 18412, 36824, 73648, 147296, 294592, 336019, 672038, 1344076, 2688152, 5376304, 10752608, 21505216]

約数ペア:

[(1, 21505216), (2, 10752608), (4, 5376304), (8, 2688152), (16, 1344076), (32, 672038), (64, 336019), (73, 294592), (146, 147296), (292, 73648), (584, 36824), (1168, 18412), (2336, 9206), (4603, 4672)]