21767072

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{40013}}^1$

素因数の和:40040

約数の個数: 24

約数和(自身を含む): 45375876

約数和(自身を除く): 23608804

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 40013, 80026, 160052, 320104, 640208, 680221, 1280416, 1360442, 2720884, 5441768, 10883536, 21767072]

約数ペア:

[(1, 21767072), (2, 10883536), (4, 5441768), (8, 2720884), (16, 1360442), (17, 1280416), (32, 680221), (34, 640208), (68, 320104), (136, 160052), (272, 80026), (544, 40013)]