21175994

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79609}}^1$

素因数の和:79637

約数の個数: 16

約数和(自身を含む): 38212800

約数和(自身を除く): 17036806

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 79609, 159218, 557263, 1114526, 1512571, 3025142, 10587997, 21175994]

約数ペア:

[(1, 21175994), (2, 10587997), (7, 3025142), (14, 1512571), (19, 1114526), (38, 557263), (133, 159218), (266, 79609)]