21026306

素因数分解:

$2^1\times 7^1\times {\mathrm{1051}}^1\times {\mathrm{1429}}^1$

素因数の和:2489

約数の個数: 16

約数和(自身を含む): 36104640

約数和(自身を除く): 15078334

約数列:

[1, 2, 7, 14, 1051, 1429, 2102, 2858, 7357, 10003, 14714, 20006, 1501879, 3003758, 10513153, 21026306]

約数ペア:

[(1, 21026306), (2, 10513153), (7, 3003758), (14, 1501879), (1051, 20006), (1429, 14714), (2102, 10003), (2858, 7357)]