21868495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{1783}}^1$

素因数の和:2022

約数の個数: 16

約数和(自身を含む): 28772352

約数和(自身を除く): 6903857

約数列:

[1, 5, 11, 55, 223, 1115, 1783, 2453, 8915, 12265, 19613, 98065, 397609, 1988045, 4373699, 21868495]

約数ペア:

[(1, 21868495), (5, 4373699), (11, 1988045), (55, 397609), (223, 98065), (1115, 19613), (1783, 12265), (2453, 8915)]