21950344

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{211061}}^1$

素因数の和:211080

約数の個数: 16

約数和(自身を含む): 44323020

約数和(自身を除く): 22372676

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 211061, 422122, 844244, 1688488, 2743793, 5487586, 10975172, 21950344]

約数ペア:

[(1, 21950344), (2, 10975172), (4, 5487586), (8, 2743793), (13, 1688488), (26, 844244), (52, 422122), (104, 211061)]