21306684

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{253651}}^1$

素因数の和:253665

約数の個数: 24

約数和(自身を含む): 56818048

約数和(自身を除く): 35511364

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 253651, 507302, 760953, 1014604, 1521906, 1775557, 3043812, 3551114, 5326671, 7102228, 10653342, 21306684]

約数ペア:

[(1, 21306684), (2, 10653342), (3, 7102228), (4, 5326671), (6, 3551114), (7, 3043812), (12, 1775557), (14, 1521906), (21, 1014604), (28, 760953), (42, 507302), (84, 253651)]