21428334

素因数分解:

$2^1\times 3^3\times {\mathrm{47}}^1\times {\mathrm{8443}}^1$

素因数の和:8501

約数の個数: 32

約数和(自身を含む): 48637440

約数和(自身を除く): 27209106

約数列:

[1, 2, 3, 6, 9, 18, 27, 47, 54, 94, 141, 282, 423, 846, 1269, 2538, 8443, 16886, 25329, 50658, 75987, 151974, 227961, 396821, 455922, 793642, 1190463, 2380926, 3571389, 7142778, 10714167, 21428334]

約数ペア:

[(1, 21428334), (2, 10714167), (3, 7142778), (6, 3571389), (9, 2380926), (18, 1190463), (27, 793642), (47, 455922), (54, 396821), (94, 227961), (141, 151974), (282, 75987), (423, 50658), (846, 25329), (1269, 16886), (2538, 8443)]