21384534

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{86929}}^1$

素因数の和:86975

約数の個数: 16

約数和(自身を含む): 43812720

約数和(自身を除く): 22428186

約数列:

[1, 2, 3, 6, 41, 82, 123, 246, 86929, 173858, 260787, 521574, 3564089, 7128178, 10692267, 21384534]

約数ペア:

[(1, 21384534), (2, 10692267), (3, 7128178), (6, 3564089), (41, 521574), (82, 260787), (123, 173858), (246, 86929)]