21086576

素因数分解:

$2^4\times 7^1\times {\mathrm{188273}}^1$

素因数の和:188288

約数の個数: 20

約数和(自身を含む): 46691952

約数和(自身を除く): 25605376

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 188273, 376546, 753092, 1317911, 1506184, 2635822, 3012368, 5271644, 10543288, 21086576]

約数ペア:

[(1, 21086576), (2, 10543288), (4, 5271644), (7, 3012368), (8, 2635822), (14, 1506184), (16, 1317911), (28, 753092), (56, 376546), (112, 188273)]