21253644

素因数分解:

$2^2\times 3^3\times {\mathrm{83}}^1\times {\mathrm{2371}}^1$

素因数の和:2467

約数の個数: 48

約数和(自身を含む): 55789440

約数和(自身を除く): 34535796

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 83, 108, 166, 249, 332, 498, 747, 996, 1494, 2241, 2371, 2988, 4482, 4742, 7113, 8964, 9484, 14226, 21339, 28452, 42678, 64017, 85356, 128034, 196793, 256068, 393586, 590379, 787172, 1180758, 1771137, 2361516, 3542274, 5313411, 7084548, 10626822, 21253644]

約数ペア:

[(1, 21253644), (2, 10626822), (3, 7084548), (4, 5313411), (6, 3542274), (9, 2361516), (12, 1771137), (18, 1180758), (27, 787172), (36, 590379), (54, 393586), (83, 256068), (108, 196793), (166, 128034), (249, 85356), (332, 64017), (498, 42678), (747, 28452), (996, 21339), (1494, 14226), (2241, 9484), (2371, 8964), (2988, 7113), (4482, 4742)]