21352383

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{479}}^1$

素因数の和:628

約数の個数: 32

約数和(自身を含む): 34406400

約数和(自身を除く): 13054017

約数列:

[1, 3, 9, 13, 27, 39, 117, 127, 351, 381, 479, 1143, 1437, 1651, 3429, 4311, 4953, 6227, 12933, 14859, 18681, 44577, 56043, 60833, 168129, 182499, 547497, 790829, 1642491, 2372487, 7117461, 21352383]

約数ペア:

[(1, 21352383), (3, 7117461), (9, 2372487), (13, 1642491), (27, 790829), (39, 547497), (117, 182499), (127, 168129), (351, 60833), (381, 56043), (479, 44577), (1143, 18681), (1437, 14859), (1651, 12933), (3429, 6227), (4311, 4953)]