21475576

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{383}}^1$

素因数の和:595

約数の個数: 32

約数和(自身を含む): 41564160

約数和(自身を除く): 20088584

約数列:

[1, 2, 4, 8, 43, 86, 163, 172, 326, 344, 383, 652, 766, 1304, 1532, 3064, 7009, 14018, 16469, 28036, 32938, 56072, 62429, 65876, 124858, 131752, 249716, 499432, 2684447, 5368894, 10737788, 21475576]

約数ペア:

[(1, 21475576), (2, 10737788), (4, 5368894), (8, 2684447), (43, 499432), (86, 249716), (163, 131752), (172, 124858), (326, 65876), (344, 62429), (383, 56072), (652, 32938), (766, 28036), (1304, 16469), (1532, 14018), (3064, 7009)]