21568204

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{313}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 45577728

約数和(自身を除く): 24009524

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 107, 161, 214, 313, 322, 428, 626, 644, 749, 1252, 1498, 2191, 2461, 2996, 4382, 4922, 7199, 8764, 9844, 14398, 17227, 28796, 33491, 34454, 50393, 66982, 68908, 100786, 133964, 201572, 234437, 468874, 770293, 937748, 1540586, 3081172, 5392051, 10784102, 21568204]

約数ペア:

[(1, 21568204), (2, 10784102), (4, 5392051), (7, 3081172), (14, 1540586), (23, 937748), (28, 770293), (46, 468874), (92, 234437), (107, 201572), (161, 133964), (214, 100786), (313, 68908), (322, 66982), (428, 50393), (626, 34454), (644, 33491), (749, 28796), (1252, 17227), (1498, 14398), (2191, 9844), (2461, 8764), (2996, 7199), (4382, 4922)]