21573426

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{73379}}^1$

素因数の和:73398

約数の個数: 24

約数和(自身を含む): 50191920

約数和(自身を除く): 28618494

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 73379, 146758, 220137, 440274, 513653, 1027306, 1540959, 3081918, 3595571, 7191142, 10786713, 21573426]

約数ペア:

[(1, 21573426), (2, 10786713), (3, 7191142), (6, 3595571), (7, 3081918), (14, 1540959), (21, 1027306), (42, 513653), (49, 440274), (98, 220137), (147, 146758), (294, 73379)]