21294120512

素因数分解:

$2^6\times 7^3\times {\mathrm{970031}}^1$

素因数の和:970064

約数の個数: 56

約数和(自身を含む): 49277625600

約数和(自身を除く): 27983505088

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 343, 392, 448, 686, 784, 1372, 1568, 2744, 3136, 5488, 10976, 21952, 970031, 1940062, 3880124, 6790217, 7760248, 13580434, 15520496, 27160868, 31040992, 47531519, 54321736, 62081984, 95063038, 108643472, 190126076, 217286944, 332720633, 380252152, 434573888, 665441266, 760504304, 1330882532, 1521008608, 2661765064, 3042017216, 5323530128, 10647060256, 21294120512]

約数ペア:

[(1, 21294120512), (2, 10647060256), (4, 5323530128), (7, 3042017216), (8, 2661765064), (14, 1521008608), (16, 1330882532), (28, 760504304), (32, 665441266), (49, 434573888), (56, 380252152), (64, 332720633), (98, 217286944), (112, 190126076), (196, 108643472), (224, 95063038), (343, 62081984), (392, 54321736), (448, 47531519), (686, 31040992), (784, 27160868), (1372, 15520496), (1568, 13580434), (2744, 7760248), (3136, 6790217), (5488, 3880124), (10976, 1940062), (21952, 970031)]