21195282

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{153589}}^1$

素因数の和:153617

約数の個数: 16

約数和(自身を含む): 44233920

約数和(自身を除く): 23038638

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 153589, 307178, 460767, 921534, 3532547, 7065094, 10597641, 21195282]

約数ペア:

[(1, 21195282), (2, 10597641), (3, 7065094), (6, 3532547), (23, 921534), (46, 460767), (69, 307178), (138, 153589)]