21857630166

素因数分解:

$2^1\times 3^4\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{31153}}^1$

素因数の和:31299

約数の個数: 80

約数和(自身を含む): 50482938528

約数和(自身を除く): 28625308362

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 71, 81, 122, 142, 162, 183, 213, 366, 426, 549, 639, 1098, 1278, 1647, 1917, 3294, 3834, 4331, 4941, 5751, 8662, 9882, 11502, 12993, 25986, 31153, 38979, 62306, 77958, 93459, 116937, 186918, 233874, 280377, 350811, 560754, 701622, 841131, 1682262, 1900333, 2211863, 2523393, 3800666, 4423726, 5046786, 5700999, 6635589, 11401998, 13271178, 17102997, 19906767, 34205994, 39813534, 51308991, 59720301, 102617982, 119440602, 134923643, 153926973, 179160903, 269847286, 307853946, 358321806, 404770929, 809541858, 1214312787, 2428625574, 3642938361, 7285876722, 10928815083, 21857630166]

約数ペア:

[(1, 21857630166), (2, 10928815083), (3, 7285876722), (6, 3642938361), (9, 2428625574), (18, 1214312787), (27, 809541858), (54, 404770929), (61, 358321806), (71, 307853946), (81, 269847286), (122, 179160903), (142, 153926973), (162, 134923643), (183, 119440602), (213, 102617982), (366, 59720301), (426, 51308991), (549, 39813534), (639, 34205994), (1098, 19906767), (1278, 17102997), (1647, 13271178), (1917, 11401998), (3294, 6635589), (3834, 5700999), (4331, 5046786), (4941, 4423726), (5751, 3800666), (8662, 2523393), (9882, 2211863), (11502, 1900333), (12993, 1682262), (25986, 841131), (31153, 701622), (38979, 560754), (62306, 350811), (77958, 280377), (93459, 233874), (116937, 186918)]