21465543

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{461}}^1$

素因数の和:575

約数の個数: 32

約数和(自身を含む): 33530112

約数和(自身を除く): 12064569

約数列:

[1, 3, 11, 17, 33, 51, 83, 187, 249, 461, 561, 913, 1383, 1411, 2739, 4233, 5071, 7837, 15213, 15521, 23511, 38263, 46563, 86207, 114789, 258621, 420893, 650471, 1262679, 1951413, 7155181, 21465543]

約数ペア:

[(1, 21465543), (3, 7155181), (11, 1951413), (17, 1262679), (33, 650471), (51, 420893), (83, 258621), (187, 114789), (249, 86207), (461, 46563), (561, 38263), (913, 23511), (1383, 15521), (1411, 15213), (2739, 7837), (4233, 5071)]