21800817

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1601}}^1$

素因数の和:1713

約数の個数: 24

約数和(自身を含む): 33738120

約数和(自身を除く): 11937303

約数列:

[1, 3, 9, 17, 51, 89, 153, 267, 801, 1513, 1601, 4539, 4803, 13617, 14409, 27217, 81651, 142489, 244953, 427467, 1282401, 2422313, 7266939, 21800817]

約数ペア:

[(1, 21800817), (3, 7266939), (9, 2422313), (17, 1282401), (51, 427467), (89, 244953), (153, 142489), (267, 81651), (801, 27217), (1513, 14409), (1601, 13617), (4539, 4803)]