21428104

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{373}}^1$

素因数の和:589

約数の個数: 32

約数和(自身を含む): 41469120

約数和(自身を除く): 20041016

約数列:

[1, 2, 4, 8, 43, 86, 167, 172, 334, 344, 373, 668, 746, 1336, 1492, 2984, 7181, 14362, 16039, 28724, 32078, 57448, 62291, 64156, 124582, 128312, 249164, 498328, 2678513, 5357026, 10714052, 21428104]

約数ペア:

[(1, 21428104), (2, 10714052), (4, 5357026), (8, 2678513), (43, 498328), (86, 249164), (167, 128312), (172, 124582), (334, 64156), (344, 62291), (373, 57448), (668, 32078), (746, 28724), (1336, 16039), (1492, 14362), (2984, 7181)]