21786120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{829}}^1$

素因数の和:919

約数の個数: 96

約数和(自身を含む): 71861400

約数和(自身を除く): 50075280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 73, 90, 120, 146, 180, 219, 292, 360, 365, 438, 584, 657, 730, 829, 876, 1095, 1314, 1460, 1658, 1752, 2190, 2487, 2628, 2920, 3285, 3316, 4145, 4380, 4974, 5256, 6570, 6632, 7461, 8290, 8760, 9948, 12435, 13140, 14922, 16580, 19896, 24870, 26280, 29844, 33160, 37305, 49740, 59688, 60517, 74610, 99480, 121034, 149220, 181551, 242068, 298440, 302585, 363102, 484136, 544653, 605170, 726204, 907755, 1089306, 1210340, 1452408, 1815510, 2178612, 2420680, 2723265, 3631020, 4357224, 5446530, 7262040, 10893060, 21786120]

約数ペア:

[(1, 21786120), (2, 10893060), (3, 7262040), (4, 5446530), (5, 4357224), (6, 3631020), (8, 2723265), (9, 2420680), (10, 2178612), (12, 1815510), (15, 1452408), (18, 1210340), (20, 1089306), (24, 907755), (30, 726204), (36, 605170), (40, 544653), (45, 484136), (60, 363102), (72, 302585), (73, 298440), (90, 242068), (120, 181551), (146, 149220), (180, 121034), (219, 99480), (292, 74610), (360, 60517), (365, 59688), (438, 49740), (584, 37305), (657, 33160), (730, 29844), (829, 26280), (876, 24870), (1095, 19896), (1314, 16580), (1460, 14922), (1658, 13140), (1752, 12435), (2190, 9948), (2487, 8760), (2628, 8290), (2920, 7461), (3285, 6632), (3316, 6570), (4145, 5256), (4380, 4974)]