21429124878

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{510217259}}^1$

素因数の和:510217271

約数の個数: 16

約数和(自身を含む): 48980856960

約数和(自身を除く): 27551732082

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 510217259, 1020434518, 1530651777, 3061303554, 3571520813, 7143041626, 10714562439, 21429124878]

約数ペア:

[(1, 21429124878), (2, 10714562439), (3, 7143041626), (6, 3571520813), (7, 3061303554), (14, 1530651777), (21, 1020434518), (42, 510217259)]