21063339

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1553}}^1$

素因数の和:1707

約数の個数: 24

約数和(自身を含む): 33454512

約数和(自身を除く): 12391173

約数列:

[1, 3, 9, 11, 33, 99, 137, 411, 1233, 1507, 1553, 4521, 4659, 13563, 13977, 17083, 51249, 153747, 212761, 638283, 1914849, 2340371, 7021113, 21063339]

約数ペア:

[(1, 21063339), (3, 7021113), (9, 2340371), (11, 1914849), (33, 638283), (99, 212761), (137, 153747), (411, 51249), (1233, 17083), (1507, 13977), (1553, 13563), (4521, 4659)]