21482769

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{823}}^1$

素因数の和:957

約数の個数: 32

約数和(自身を含む): 36071424

約数和(自身を除く): 14588655

約数列:

[1, 3, 7, 11, 21, 33, 77, 113, 231, 339, 791, 823, 1243, 2373, 2469, 3729, 5761, 8701, 9053, 17283, 26103, 27159, 63371, 92999, 190113, 278997, 650993, 1022989, 1952979, 3068967, 7160923, 21482769]

約数ペア:

[(1, 21482769), (3, 7160923), (7, 3068967), (11, 1952979), (21, 1022989), (33, 650993), (77, 278997), (113, 190113), (231, 92999), (339, 63371), (791, 27159), (823, 26103), (1243, 17283), (2373, 9053), (2469, 8701), (3729, 5761)]