21886564

素因数分解:

$2^2\times 7^1\times {\mathrm{547}}^1\times {\mathrm{1429}}^1$

素因数の和:1987

約数の個数: 24

約数和(自身を含む): 43883840

約数和(自身を除く): 21997276

約数列:

[1, 2, 4, 7, 14, 28, 547, 1094, 1429, 2188, 2858, 3829, 5716, 7658, 10003, 15316, 20006, 40012, 781663, 1563326, 3126652, 5471641, 10943282, 21886564]

約数ペア:

[(1, 21886564), (2, 10943282), (4, 5471641), (7, 3126652), (14, 1563326), (28, 781663), (547, 40012), (1094, 20006), (1429, 15316), (2188, 10003), (2858, 7658), (3829, 5716)]