21498364

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{661}}^1$

素因数の和:885

約数の個数: 24

約数和(自身を含む): 38703168

約数和(自身を除く): 17204804

約数列:

[1, 2, 4, 47, 94, 173, 188, 346, 661, 692, 1322, 2644, 8131, 16262, 31067, 32524, 62134, 114353, 124268, 228706, 457412, 5374591, 10749182, 21498364]

約数ペア:

[(1, 21498364), (2, 10749182), (4, 5374591), (47, 457412), (94, 228706), (173, 124268), (188, 114353), (346, 62134), (661, 32524), (692, 31067), (1322, 16262), (2644, 8131)]