21350552

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{37589}}^1$

素因数の和:37666

約数の個数: 16

約数和(自身を含む): 40597200

約数和(自身を除く): 19246648

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 37589, 75178, 150356, 300712, 2668819, 5337638, 10675276, 21350552]

約数ペア:

[(1, 21350552), (2, 10675276), (4, 5337638), (8, 2668819), (71, 300712), (142, 150356), (284, 75178), (568, 37589)]