21147554

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{8893}}^1$

素因数の和:8965

約数の個数: 16

約数和(自身を含む): 33619320

約数和(自身を除く): 12471766

約数列:

[1, 2, 29, 41, 58, 82, 1189, 2378, 8893, 17786, 257897, 364613, 515794, 729226, 10573777, 21147554]

約数ペア:

[(1, 21147554), (2, 10573777), (29, 729226), (41, 515794), (58, 364613), (82, 257897), (1189, 17786), (2378, 8893)]