21903532

素因数分解:

$2^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{3931}}^1$

素因数の和:4141

約数の個数: 24

約数和(自身を含む): 44038400

約数和(自身を除く): 22134868

約数列:

[1, 2, 4, 7, 14, 28, 199, 398, 796, 1393, 2786, 3931, 5572, 7862, 15724, 27517, 55034, 110068, 782269, 1564538, 3129076, 5475883, 10951766, 21903532]

約数ペア:

[(1, 21903532), (2, 10951766), (4, 5475883), (7, 3129076), (14, 1564538), (28, 782269), (199, 110068), (398, 55034), (796, 27517), (1393, 15724), (2786, 7862), (3931, 5572)]