21937814

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:284

約数の個数: 32

約数和(自身を含む): 35804160

約数和(自身を除く): 13866346

約数列:

[1, 2, 23, 46, 47, 73, 94, 139, 146, 278, 1081, 1679, 2162, 3197, 3358, 3431, 6394, 6533, 6862, 10147, 13066, 20294, 78913, 150259, 157826, 233381, 300518, 466762, 476909, 953818, 10968907, 21937814]

約数ペア:

[(1, 21937814), (2, 10968907), (23, 953818), (46, 476909), (47, 466762), (73, 300518), (94, 233381), (139, 157826), (146, 150259), (278, 78913), (1081, 20294), (1679, 13066), (2162, 10147), (3197, 6862), (3358, 6533), (3431, 6394)]