21744952

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{20749}}^1$

素因数の和:20886

約数の個数: 16

約数和(自身を含む): 41085000

約数和(自身を除く): 19340048

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 20749, 41498, 82996, 165992, 2718119, 5436238, 10872476, 21744952]

約数ペア:

[(1, 21744952), (2, 10872476), (4, 5436238), (8, 2718119), (131, 165992), (262, 82996), (524, 41498), (1048, 20749)]