21085820458

素因数分解:

$2^1\times {\mathrm{257}}^1\times {\mathrm{479}}^1\times {\mathrm{85643}}^1$

素因数の和:86381

約数の個数: 16

約数和(自身を含む): 31818458880

約数和(自身を除く): 10732638422

約数列:

[1, 2, 257, 479, 514, 958, 85643, 123103, 171286, 246206, 22010251, 41022997, 44020502, 82045994, 10542910229, 21085820458]

約数ペア:

[(1, 21085820458), (2, 10542910229), (257, 82045994), (479, 44020502), (514, 41022997), (958, 22010251), (85643, 246206), (123103, 171286)]