21809346

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{279607}}^1$

素因数の和:279625

約数の個数: 16

約数和(自身を含む): 46974144

約数和(自身を除く): 25164798

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 279607, 559214, 838821, 1677642, 3634891, 7269782, 10904673, 21809346]

約数ペア:

[(1, 21809346), (2, 10904673), (3, 7269782), (6, 3634891), (13, 1677642), (26, 838821), (39, 559214), (78, 279607)]