21349035

素因数分解:

$3^3\times 5^1\times {\mathrm{158141}}^1$

素因数の和:158155

約数の個数: 16

約数和(自身を含む): 37954080

約数和(自身を除く): 16605045

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 158141, 474423, 790705, 1423269, 2372115, 4269807, 7116345, 21349035]

約数ペア:

[(1, 21349035), (3, 7116345), (5, 4269807), (9, 2372115), (15, 1423269), (27, 790705), (45, 474423), (135, 158141)]