21786612

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{409}}^1$

素因数の和:632

約数の個数: 48

約数和(自身を含む): 53450880

約数和(自身を除く): 31664268

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 193, 276, 386, 409, 579, 772, 818, 1158, 1227, 1636, 2316, 2454, 4439, 4908, 8878, 9407, 13317, 17756, 18814, 26634, 28221, 37628, 53268, 56442, 78937, 112884, 157874, 236811, 315748, 473622, 947244, 1815551, 3631102, 5446653, 7262204, 10893306, 21786612]

約数ペア:

[(1, 21786612), (2, 10893306), (3, 7262204), (4, 5446653), (6, 3631102), (12, 1815551), (23, 947244), (46, 473622), (69, 315748), (92, 236811), (138, 157874), (193, 112884), (276, 78937), (386, 56442), (409, 53268), (579, 37628), (772, 28221), (818, 26634), (1158, 18814), (1227, 17756), (1636, 13317), (2316, 9407), (2454, 8878), (4439, 4908)]