21045993

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{2333}}^1$

素因数の和:2464

約数の個数: 16

約数和(自身を含む): 29277696

約数和(自身を除く): 8231703

約数列:

[1, 3, 31, 93, 97, 291, 2333, 3007, 6999, 9021, 72323, 216969, 226301, 678903, 7015331, 21045993]

約数ペア:

[(1, 21045993), (3, 7015331), (31, 678903), (93, 226301), (97, 216969), (291, 72323), (2333, 9021), (3007, 6999)]