21880432

素因数分解:

$2^4\times 7^1\times {\mathrm{347}}^1\times {\mathrm{563}}^1$

素因数の和:925

約数の個数: 40

約数和(自身を含む): 48675456

約数和(自身を除く): 26795024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 347, 563, 694, 1126, 1388, 2252, 2429, 2776, 3941, 4504, 4858, 5552, 7882, 9008, 9716, 15764, 19432, 31528, 38864, 63056, 195361, 390722, 781444, 1367527, 1562888, 2735054, 3125776, 5470108, 10940216, 21880432]

約数ペア:

[(1, 21880432), (2, 10940216), (4, 5470108), (7, 3125776), (8, 2735054), (14, 1562888), (16, 1367527), (28, 781444), (56, 390722), (112, 195361), (347, 63056), (563, 38864), (694, 31528), (1126, 19432), (1388, 15764), (2252, 9716), (2429, 9008), (2776, 7882), (3941, 5552), (4504, 4858)]