21314648

素因数分解:

$2^3\times {\mathrm{1559}}^1\times {\mathrm{1709}}^1$

素因数の和:3274

約数の個数: 16

約数和(自身を含む): 40014000

約数和(自身を除く): 18699352

約数列:

[1, 2, 4, 8, 1559, 1709, 3118, 3418, 6236, 6836, 12472, 13672, 2664331, 5328662, 10657324, 21314648]

約数ペア:

[(1, 21314648), (2, 10657324), (4, 5328662), (8, 2664331), (1559, 13672), (1709, 12472), (3118, 6836), (3418, 6236)]