21892952

素因数分解:

$2^3\times {\mathrm{409}}^1\times {\mathrm{6691}}^1$

素因数の和:7106

約数の個数: 16

約数和(自身を含む): 41155800

約数和(自身を除く): 19262848

約数列:

[1, 2, 4, 8, 409, 818, 1636, 3272, 6691, 13382, 26764, 53528, 2736619, 5473238, 10946476, 21892952]

約数ペア:

[(1, 21892952), (2, 10946476), (4, 5473238), (8, 2736619), (409, 53528), (818, 26764), (1636, 13382), (3272, 6691)]