21069656

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2663}}^1$

素因数の和:2735

約数の個数: 32

約数和(自身を含む): 42197760

約数和(自身を除く): 21128104

約数列:

[1, 2, 4, 8, 23, 43, 46, 86, 92, 172, 184, 344, 989, 1978, 2663, 3956, 5326, 7912, 10652, 21304, 61249, 114509, 122498, 229018, 244996, 458036, 489992, 916072, 2633707, 5267414, 10534828, 21069656]

約数ペア:

[(1, 21069656), (2, 10534828), (4, 5267414), (8, 2633707), (23, 916072), (43, 489992), (46, 458036), (86, 244996), (92, 229018), (172, 122498), (184, 114509), (344, 61249), (989, 21304), (1978, 10652), (2663, 7912), (3956, 5326)]