21770896

素因数分解:

$2^4\times 7^3\times {\mathrm{3967}}^1$

素因数の和:3996

約数の個数: 40

約数和(自身を含む): 49203200

約数和(自身を除く): 27432304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 343, 392, 686, 784, 1372, 2744, 3967, 5488, 7934, 15868, 27769, 31736, 55538, 63472, 111076, 194383, 222152, 388766, 444304, 777532, 1360681, 1555064, 2721362, 3110128, 5442724, 10885448, 21770896]

約数ペア:

[(1, 21770896), (2, 10885448), (4, 5442724), (7, 3110128), (8, 2721362), (14, 1555064), (16, 1360681), (28, 777532), (49, 444304), (56, 388766), (98, 222152), (112, 194383), (196, 111076), (343, 63472), (392, 55538), (686, 31736), (784, 27769), (1372, 15868), (2744, 7934), (3967, 5488)]