21831964

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{971}}^1$

素因数の和:1066

約数の個数: 48

約数和(自身を含む): 48335616

約数和(自身を除く): 26503652

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 73, 77, 146, 154, 292, 308, 511, 803, 971, 1022, 1606, 1942, 2044, 3212, 3884, 5621, 6797, 10681, 11242, 13594, 21362, 22484, 27188, 42724, 70883, 74767, 141766, 149534, 283532, 299068, 496181, 779713, 992362, 1559426, 1984724, 3118852, 5457991, 10915982, 21831964]

約数ペア:

[(1, 21831964), (2, 10915982), (4, 5457991), (7, 3118852), (11, 1984724), (14, 1559426), (22, 992362), (28, 779713), (44, 496181), (73, 299068), (77, 283532), (146, 149534), (154, 141766), (292, 74767), (308, 70883), (511, 42724), (803, 27188), (971, 22484), (1022, 21362), (1606, 13594), (1942, 11242), (2044, 10681), (3212, 6797), (3884, 5621)]