21685982

素因数分解:

$2^1\times {\mathrm{17}}^3\times {\mathrm{2207}}^1$

素因数の和:2260

約数の個数: 16

約数和(自身を含む): 34577280

約数和(自身を除く): 12891298

約数列:

[1, 2, 17, 34, 289, 578, 2207, 4414, 4913, 9826, 37519, 75038, 637823, 1275646, 10842991, 21685982]

約数ペア:

[(1, 21685982), (2, 10842991), (17, 1275646), (34, 637823), (289, 75038), (578, 37519), (2207, 9826), (4414, 4913)]