21836128

素因数分解:

$2^5\times {\mathrm{131}}^1\times {\mathrm{5209}}^1$

素因数の和:5350

約数の個数: 24

約数和(自身を含む): 43326360

約数和(自身を除く): 21490232

約数列:

[1, 2, 4, 8, 16, 32, 131, 262, 524, 1048, 2096, 4192, 5209, 10418, 20836, 41672, 83344, 166688, 682379, 1364758, 2729516, 5459032, 10918064, 21836128]

約数ペア:

[(1, 21836128), (2, 10918064), (4, 5459032), (8, 2729516), (16, 1364758), (32, 682379), (131, 166688), (262, 83344), (524, 41672), (1048, 20836), (2096, 10418), (4192, 5209)]