21508272

素因数分解:

$2^4\times 3^2\times {\mathrm{41}}^1\times {\mathrm{3643}}^1$

素因数の和:3698

約数の個数: 60

約数和(自身を含む): 61678344

約数和(自身を除く): 40170072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 41, 48, 72, 82, 123, 144, 164, 246, 328, 369, 492, 656, 738, 984, 1476, 1968, 2952, 3643, 5904, 7286, 10929, 14572, 21858, 29144, 32787, 43716, 58288, 65574, 87432, 131148, 149363, 174864, 262296, 298726, 448089, 524592, 597452, 896178, 1194904, 1344267, 1792356, 2389808, 2688534, 3584712, 5377068, 7169424, 10754136, 21508272]

約数ペア:

[(1, 21508272), (2, 10754136), (3, 7169424), (4, 5377068), (6, 3584712), (8, 2688534), (9, 2389808), (12, 1792356), (16, 1344267), (18, 1194904), (24, 896178), (36, 597452), (41, 524592), (48, 448089), (72, 298726), (82, 262296), (123, 174864), (144, 149363), (164, 131148), (246, 87432), (328, 65574), (369, 58288), (492, 43716), (656, 32787), (738, 29144), (984, 21858), (1476, 14572), (1968, 10929), (2952, 7286), (3643, 5904)]