21086032

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5209}}^1$

素因数の和:5251

約数の個数: 40

約数和(自身を含む): 46514880

約数和(自身を除く): 25428848

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 88, 92, 176, 184, 253, 368, 506, 1012, 2024, 4048, 5209, 10418, 20836, 41672, 57299, 83344, 114598, 119807, 229196, 239614, 458392, 479228, 916784, 958456, 1317877, 1916912, 2635754, 5271508, 10543016, 21086032]

約数ペア:

[(1, 21086032), (2, 10543016), (4, 5271508), (8, 2635754), (11, 1916912), (16, 1317877), (22, 958456), (23, 916784), (44, 479228), (46, 458392), (88, 239614), (92, 229196), (176, 119807), (184, 114598), (253, 83344), (368, 57299), (506, 41672), (1012, 20836), (2024, 10418), (4048, 5209)]