21662186

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2903}}^1$

素因数の和:2966

約数の個数: 32

約数和(自身を含む): 40981248

約数和(自身を除く): 19319062

約数列:

[1, 2, 7, 13, 14, 26, 41, 82, 91, 182, 287, 533, 574, 1066, 2903, 3731, 5806, 7462, 20321, 37739, 40642, 75478, 119023, 238046, 264173, 528346, 833161, 1547299, 1666322, 3094598, 10831093, 21662186]

約数ペア:

[(1, 21662186), (2, 10831093), (7, 3094598), (13, 1666322), (14, 1547299), (26, 833161), (41, 528346), (82, 264173), (91, 238046), (182, 119023), (287, 75478), (533, 40642), (574, 37739), (1066, 20321), (2903, 7462), (3731, 5806)]