21000559468

素因数分解:

$2^2\times 7^1\times {\mathrm{263}}^1\times {\mathrm{2851787}}^1$

素因数の和:2852061

約数の個数: 24

約数和(自身を含む): 42160833792

約数和(自身を除く): 21160274324

約数列:

[1, 2, 4, 7, 14, 28, 263, 526, 1052, 1841, 3682, 7364, 2851787, 5703574, 11407148, 19962509, 39925018, 79850036, 750019981, 1500039962, 3000079924, 5250139867, 10500279734, 21000559468]

約数ペア:

[(1, 21000559468), (2, 10500279734), (4, 5250139867), (7, 3000079924), (14, 1500039962), (28, 750019981), (263, 79850036), (526, 39925018), (1052, 19962509), (1841, 11407148), (3682, 5703574), (7364, 2851787)]