21398036

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{28607}}^1$

素因数の和:28639

約数の個数: 24

約数和(自身を含む): 43255296

約数和(自身を除く): 21857260

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 748, 28607, 57214, 114428, 314677, 486319, 629354, 972638, 1258708, 1945276, 5349509, 10699018, 21398036]

約数ペア:

[(1, 21398036), (2, 10699018), (4, 5349509), (11, 1945276), (17, 1258708), (22, 972638), (34, 629354), (44, 486319), (68, 314677), (187, 114428), (374, 57214), (748, 28607)]