21303772

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{9631}}^1$

素因数の和:9721

約数の個数: 24

約数和(自身を含む): 43151360

約数和(自身を除く): 21847588

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 9631, 19262, 38524, 67417, 134834, 269668, 760849, 1521698, 3043396, 5325943, 10651886, 21303772]

約数ペア:

[(1, 21303772), (2, 10651886), (4, 5325943), (7, 3043396), (14, 1521698), (28, 760849), (79, 269668), (158, 134834), (316, 67417), (553, 38524), (1106, 19262), (2212, 9631)]