21088662

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{11677}}^1$

素因数の和:11732

約数の個数: 32

約数和(自身を含む): 49327872

約数和(自身を除く): 28239210

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 903, 1806, 11677, 23354, 35031, 70062, 81739, 163478, 245217, 490434, 502111, 1004222, 1506333, 3012666, 3514777, 7029554, 10544331, 21088662]

約数ペア:

[(1, 21088662), (2, 10544331), (3, 7029554), (6, 3514777), (7, 3012666), (14, 1506333), (21, 1004222), (42, 502111), (43, 490434), (86, 245217), (129, 163478), (258, 81739), (301, 70062), (602, 35031), (903, 23354), (1806, 11677)]