21254402

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{709}}^1\times {\mathrm{1153}}^1$

素因数の和:1877

約数の個数: 16

約数和(自身を含む): 34412280

約数和(自身を除く): 13157878

約数列:

[1, 2, 13, 26, 709, 1153, 1418, 2306, 9217, 14989, 18434, 29978, 817477, 1634954, 10627201, 21254402]

約数ペア:

[(1, 21254402), (2, 10627201), (13, 1634954), (26, 817477), (709, 29978), (1153, 18434), (1418, 14989), (2306, 9217)]