21801614718

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{279507881}}^1$

素因数の和:279507899

約数の個数: 16

約数和(自身を含む): 46957324176

約数和(自身を除く): 25155709458

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 279507881, 559015762, 838523643, 1677047286, 3633602453, 7267204906, 10900807359, 21801614718]

約数ペア:

[(1, 21801614718), (2, 10900807359), (3, 7267204906), (6, 3633602453), (13, 1677047286), (26, 838523643), (39, 559015762), (78, 279507881)]