21058304

素因数分解:

$2^8\times {\mathrm{43}}^1\times {\mathrm{1913}}^1$

素因数の和:1972

約数の個数: 36

約数和(自身を含む): 43034376

約数和(自身を除く): 21976072

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 256, 344, 688, 1376, 1913, 2752, 3826, 5504, 7652, 11008, 15304, 30608, 61216, 82259, 122432, 164518, 244864, 329036, 489728, 658072, 1316144, 2632288, 5264576, 10529152, 21058304]

約数ペア:

[(1, 21058304), (2, 10529152), (4, 5264576), (8, 2632288), (16, 1316144), (32, 658072), (43, 489728), (64, 329036), (86, 244864), (128, 164518), (172, 122432), (256, 82259), (344, 61216), (688, 30608), (1376, 15304), (1913, 11008), (2752, 7652), (3826, 5504)]