21769622

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:285

約数の個数: 48

約数和(自身を含む): 40998960

約数和(自身を除く): 19229338

約数列:

[1, 2, 7, 14, 17, 34, 49, 73, 98, 119, 146, 179, 238, 358, 511, 833, 1022, 1241, 1253, 1666, 2482, 2506, 3043, 3577, 6086, 7154, 8687, 8771, 13067, 17374, 17542, 21301, 26134, 42602, 60809, 91469, 121618, 149107, 182938, 222139, 298214, 444278, 640283, 1280566, 1554973, 3109946, 10884811, 21769622]

約数ペア:

[(1, 21769622), (2, 10884811), (7, 3109946), (14, 1554973), (17, 1280566), (34, 640283), (49, 444278), (73, 298214), (98, 222139), (119, 182938), (146, 149107), (179, 121618), (238, 91469), (358, 60809), (511, 42602), (833, 26134), (1022, 21301), (1241, 17542), (1253, 17374), (1666, 13067), (2482, 8771), (2506, 8687), (3043, 7154), (3577, 6086)]