21393932

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{7877}}^1$

素因数の和:7985

約数の個数: 24

約数和(自身を含む): 43234464

約数和(自身を除く): 21840532

約数列:

[1, 2, 4, 7, 14, 28, 97, 194, 388, 679, 1358, 2716, 7877, 15754, 31508, 55139, 110278, 220556, 764069, 1528138, 3056276, 5348483, 10696966, 21393932]

約数ペア:

[(1, 21393932), (2, 10696966), (4, 5348483), (7, 3056276), (14, 1528138), (28, 764069), (97, 220556), (194, 110278), (388, 55139), (679, 31508), (1358, 15754), (2716, 7877)]