21393054

素因数分解:

$2^1\times 3^2\times {\mathrm{449}}^1\times {\mathrm{2647}}^1$

素因数の和:3104

約数の個数: 24

約数和(自身を含む): 46472400

約数和(自身を除く): 25079346

約数列:

[1, 2, 3, 6, 9, 18, 449, 898, 1347, 2647, 2694, 4041, 5294, 7941, 8082, 15882, 23823, 47646, 1188503, 2377006, 3565509, 7131018, 10696527, 21393054]

約数ペア:

[(1, 21393054), (2, 10696527), (3, 7131018), (6, 3565509), (9, 2377006), (18, 1188503), (449, 47646), (898, 23823), (1347, 15882), (2647, 8082), (2694, 7941), (4041, 5294)]