21710346

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{73}}^2\times {\mathrm{97}}^1$

素因数の和:255

約数の個数: 48

約数和(自身を含む): 50831424

約数和(自身を除く): 29121078

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 73, 97, 146, 194, 219, 291, 438, 511, 582, 679, 1022, 1358, 1533, 2037, 3066, 4074, 5329, 7081, 10658, 14162, 15987, 21243, 31974, 37303, 42486, 49567, 74606, 99134, 111909, 148701, 223818, 297402, 516913, 1033826, 1550739, 3101478, 3618391, 7236782, 10855173, 21710346]

約数ペア:

[(1, 21710346), (2, 10855173), (3, 7236782), (6, 3618391), (7, 3101478), (14, 1550739), (21, 1033826), (42, 516913), (73, 297402), (97, 223818), (146, 148701), (194, 111909), (219, 99134), (291, 74606), (438, 49567), (511, 42486), (582, 37303), (679, 31974), (1022, 21243), (1358, 15987), (1533, 14162), (2037, 10658), (3066, 7081), (4074, 5329)]