21837284

素因数分解:

$2^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{4357}}^1$

素因数の和:4547

約数の個数: 24

約数和(自身を含む): 43928640

約数和(自身を除く): 22091356

約数列:

[1, 2, 4, 7, 14, 28, 179, 358, 716, 1253, 2506, 4357, 5012, 8714, 17428, 30499, 60998, 121996, 779903, 1559806, 3119612, 5459321, 10918642, 21837284]

約数ペア:

[(1, 21837284), (2, 10918642), (4, 5459321), (7, 3119612), (14, 1559806), (28, 779903), (179, 121996), (358, 60998), (716, 30499), (1253, 17428), (2506, 8714), (4357, 5012)]