21044128

素因数分解:

$2^5\times 7^2\times {\mathrm{13421}}^1$

素因数の和:13445

約数の個数: 36

約数和(自身を含む): 48198402

約数和(自身を除く): 27154274

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 13421, 26842, 53684, 93947, 107368, 187894, 214736, 375788, 429472, 657629, 751576, 1315258, 1503152, 2630516, 3006304, 5261032, 10522064, 21044128]

約数ペア:

[(1, 21044128), (2, 10522064), (4, 5261032), (7, 3006304), (8, 2630516), (14, 1503152), (16, 1315258), (28, 751576), (32, 657629), (49, 429472), (56, 375788), (98, 214736), (112, 187894), (196, 107368), (224, 93947), (392, 53684), (784, 26842), (1568, 13421)]