21365673

素因数分解:

$3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{5881}}^1$

素因数の和:6064

約数の個数: 16

約数和(自身を含む): 32750976

約数和(自身を除く): 11385303

約数列:

[1, 3, 7, 21, 173, 519, 1211, 3633, 5881, 17643, 41167, 123501, 1017413, 3052239, 7121891, 21365673]

約数ペア:

[(1, 21365673), (3, 7121891), (7, 3052239), (21, 1017413), (173, 123501), (519, 41167), (1211, 17643), (3633, 5881)]