21507328

素因数分解:

$2^8\times {\mathrm{29}}^1\times {\mathrm{2897}}^1$

素因数の和:2942

約数の個数: 36

約数和(自身を含む): 44426340

約数和(自身を除く): 22919012

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 232, 256, 464, 928, 1856, 2897, 3712, 5794, 7424, 11588, 23176, 46352, 84013, 92704, 168026, 185408, 336052, 370816, 672104, 741632, 1344208, 2688416, 5376832, 10753664, 21507328]

約数ペア:

[(1, 21507328), (2, 10753664), (4, 5376832), (8, 2688416), (16, 1344208), (29, 741632), (32, 672104), (58, 370816), (64, 336052), (116, 185408), (128, 168026), (232, 92704), (256, 84013), (464, 46352), (928, 23176), (1856, 11588), (2897, 7424), (3712, 5794)]