21300534

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{647}}^1$

素因数の和:745

約数の個数: 48

約数和(自身を含む): 48522240

約数和(自身を除く): 27221706

約数列:

[1, 2, 3, 6, 9, 18, 31, 59, 62, 93, 118, 177, 186, 279, 354, 531, 558, 647, 1062, 1294, 1829, 1941, 3658, 3882, 5487, 5823, 10974, 11646, 16461, 20057, 32922, 38173, 40114, 60171, 76346, 114519, 120342, 180513, 229038, 343557, 361026, 687114, 1183363, 2366726, 3550089, 7100178, 10650267, 21300534]

約数ペア:

[(1, 21300534), (2, 10650267), (3, 7100178), (6, 3550089), (9, 2366726), (18, 1183363), (31, 687114), (59, 361026), (62, 343557), (93, 229038), (118, 180513), (177, 120342), (186, 114519), (279, 76346), (354, 60171), (531, 40114), (558, 38173), (647, 32922), (1062, 20057), (1294, 16461), (1829, 11646), (1941, 10974), (3658, 5823), (3882, 5487)]