21509616

素因数分解:

$2^4\times 3^1\times {\mathrm{83}}^1\times {\mathrm{5399}}^1$

素因数の和:5493

約数の個数: 40

約数和(自身を含む): 56246400

約数和(自身を除く): 34736784

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 83, 166, 249, 332, 498, 664, 996, 1328, 1992, 3984, 5399, 10798, 16197, 21596, 32394, 43192, 64788, 86384, 129576, 259152, 448117, 896234, 1344351, 1792468, 2688702, 3584936, 5377404, 7169872, 10754808, 21509616]

約数ペア:

[(1, 21509616), (2, 10754808), (3, 7169872), (4, 5377404), (6, 3584936), (8, 2688702), (12, 1792468), (16, 1344351), (24, 896234), (48, 448117), (83, 259152), (166, 129576), (249, 86384), (332, 64788), (498, 43192), (664, 32394), (996, 21596), (1328, 16197), (1992, 10798), (3984, 5399)]