21219467397

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{1196609}}^1$

素因数の和:1196892

約数の個数: 16

約数和(自身を含む): 29637636480

約数和(自身を除く): 8418169083

約数列:

[1, 3, 23, 69, 257, 771, 5911, 17733, 1196609, 3589827, 27522007, 82566021, 307528513, 922585539, 7073155799, 21219467397]

約数ペア:

[(1, 21219467397), (3, 7073155799), (23, 922585539), (69, 307528513), (257, 82566021), (771, 27522007), (5911, 3589827), (17733, 1196609)]