21149394

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1559}}^1$

素因数の和:1607

約数の個数: 64

約数和(自身を含む): 53913600

約数和(自身を除く): 32764206

約数列:

[1, 2, 3, 6, 7, 14, 17, 19, 21, 34, 38, 42, 51, 57, 102, 114, 119, 133, 238, 266, 323, 357, 399, 646, 714, 798, 969, 1559, 1938, 2261, 3118, 4522, 4677, 6783, 9354, 10913, 13566, 21826, 26503, 29621, 32739, 53006, 59242, 65478, 79509, 88863, 159018, 177726, 185521, 207347, 371042, 414694, 503557, 556563, 622041, 1007114, 1113126, 1244082, 1510671, 3021342, 3524899, 7049798, 10574697, 21149394]

約数ペア:

[(1, 21149394), (2, 10574697), (3, 7049798), (6, 3524899), (7, 3021342), (14, 1510671), (17, 1244082), (19, 1113126), (21, 1007114), (34, 622041), (38, 556563), (42, 503557), (51, 414694), (57, 371042), (102, 207347), (114, 185521), (119, 177726), (133, 159018), (238, 88863), (266, 79509), (323, 65478), (357, 59242), (399, 53006), (646, 32739), (714, 29621), (798, 26503), (969, 21826), (1559, 13566), (1938, 10913), (2261, 9354), (3118, 6783), (4522, 4677)]