21085120

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{9413}}^1$

素因数の和:9437

約数の個数: 56

約数和(自身を含む): 57387744

約数和(自身を除く): 36302624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 9413, 18826, 37652, 47065, 65891, 75304, 94130, 131782, 150608, 188260, 263564, 301216, 329455, 376520, 527128, 602432, 658910, 753040, 1054256, 1317820, 1506080, 2108512, 2635640, 3012160, 4217024, 5271280, 10542560, 21085120]

約数ペア:

[(1, 21085120), (2, 10542560), (4, 5271280), (5, 4217024), (7, 3012160), (8, 2635640), (10, 2108512), (14, 1506080), (16, 1317820), (20, 1054256), (28, 753040), (32, 658910), (35, 602432), (40, 527128), (56, 376520), (64, 329455), (70, 301216), (80, 263564), (112, 188260), (140, 150608), (160, 131782), (224, 94130), (280, 75304), (320, 65891), (448, 47065), (560, 37652), (1120, 18826), (2240, 9413)]