21134439

素因数分解:

$3^6\times {\mathrm{53}}^1\times {\mathrm{547}}^1$

素因数の和:618

約数の個数: 28

約数和(自身を含む): 32344056

約数和(自身を除く): 11209617

約数列:

[1, 3, 9, 27, 53, 81, 159, 243, 477, 547, 729, 1431, 1641, 4293, 4923, 12879, 14769, 28991, 38637, 44307, 86973, 132921, 260919, 398763, 782757, 2348271, 7044813, 21134439]

約数ペア:

[(1, 21134439), (3, 7044813), (9, 2348271), (27, 782757), (53, 398763), (81, 260919), (159, 132921), (243, 86973), (477, 44307), (547, 38637), (729, 28991), (1431, 14769), (1641, 12879), (4293, 4923)]