21709436

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{14629}}^1$

素因数の和:14693

約数の個数: 24

約数和(自身を含む): 44241120

約数和(自身を除く): 22531684

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 14629, 29258, 58516, 102403, 204806, 409612, 775337, 1550674, 3101348, 5427359, 10854718, 21709436]

約数ペア:

[(1, 21709436), (2, 10854718), (4, 5427359), (7, 3101348), (14, 1550674), (28, 775337), (53, 409612), (106, 204806), (212, 102403), (371, 58516), (742, 29258), (1484, 14629)]