21856208

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{124183}}^1$

素因数の和:124202

約数の個数: 20

約数和(自身を含む): 46196448

約数和(自身を除く): 24340240

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 124183, 248366, 496732, 993464, 1366013, 1986928, 2732026, 5464052, 10928104, 21856208]

約数ペア:

[(1, 21856208), (2, 10928104), (4, 5464052), (8, 2732026), (11, 1986928), (16, 1366013), (22, 993464), (44, 496732), (88, 248366), (176, 124183)]