21289766

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{24359}}^1$

素因数の和:24403

約数の個数: 16

約数和(自身を含む): 35078400

約数和(自身を除く): 13788634

約数列:

[1, 2, 19, 23, 38, 46, 437, 874, 24359, 48718, 462821, 560257, 925642, 1120514, 10644883, 21289766]

約数ペア:

[(1, 21289766), (2, 10644883), (19, 1120514), (23, 925642), (38, 560257), (46, 462821), (437, 48718), (874, 24359)]