21506432

素因数分解:

$2^7\times {\mathrm{401}}^1\times {\mathrm{419}}^1$

素因数の和:834

約数の個数: 32

約数和(自身を含む): 43054200

約数和(自身を除く): 21547768

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 401, 419, 802, 838, 1604, 1676, 3208, 3352, 6416, 6704, 12832, 13408, 25664, 26816, 51328, 53632, 168019, 336038, 672076, 1344152, 2688304, 5376608, 10753216, 21506432]

約数ペア:

[(1, 21506432), (2, 10753216), (4, 5376608), (8, 2688304), (16, 1344152), (32, 672076), (64, 336038), (128, 168019), (401, 53632), (419, 51328), (802, 26816), (838, 25664), (1604, 13408), (1676, 12832), (3208, 6704), (3352, 6416)]