21249032

素因数分解:

$2^3\times 7^1\times {\mathrm{613}}^1\times {\mathrm{619}}^1$

素因数の和:1245

約数の個数: 32

約数和(自身を含む): 45681600

約数和(自身を除く): 24432568

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 613, 619, 1226, 1238, 2452, 2476, 4291, 4333, 4904, 4952, 8582, 8666, 17164, 17332, 34328, 34664, 379447, 758894, 1517788, 2656129, 3035576, 5312258, 10624516, 21249032]

約数ペア:

[(1, 21249032), (2, 10624516), (4, 5312258), (7, 3035576), (8, 2656129), (14, 1517788), (28, 758894), (56, 379447), (613, 34664), (619, 34328), (1226, 17332), (1238, 17164), (2452, 8666), (2476, 8582), (4291, 4952), (4333, 4904)]