21037580018

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{191}}^1\times {\mathrm{3581}}^1$

素因数の和:3820

約数の個数: 64

約数和(自身を含む): 39283937280

約数和(自身を除く): 18246357262

約数列:

[1, 2, 7, 13, 14, 26, 91, 169, 182, 191, 338, 382, 1183, 1337, 2197, 2366, 2483, 2674, 3581, 4394, 4966, 7162, 15379, 17381, 25067, 30758, 32279, 34762, 46553, 50134, 64558, 93106, 225953, 325871, 419627, 451906, 605189, 651742, 683971, 839254, 1210378, 1367942, 2937389, 4236323, 4787797, 5874778, 7867457, 8472646, 8891623, 9575594, 15734914, 17783246, 55072199, 62241361, 110144398, 115591099, 124482722, 231182198, 809137693, 1502684287, 1618275386, 3005368574, 10518790009, 21037580018]

約数ペア:

[(1, 21037580018), (2, 10518790009), (7, 3005368574), (13, 1618275386), (14, 1502684287), (26, 809137693), (91, 231182198), (169, 124482722), (182, 115591099), (191, 110144398), (338, 62241361), (382, 55072199), (1183, 17783246), (1337, 15734914), (2197, 9575594), (2366, 8891623), (2483, 8472646), (2674, 7867457), (3581, 5874778), (4394, 4787797), (4966, 4236323), (7162, 2937389), (15379, 1367942), (17381, 1210378), (25067, 839254), (30758, 683971), (32279, 651742), (34762, 605189), (46553, 451906), (50134, 419627), (64558, 325871), (93106, 225953)]