21992768

素因数分解:

$2^6\times 7^2\times {\mathrm{7013}}^1$

素因数の和:7039

約数の個数: 42

約数和(自身を含む): 50774346

約数和(自身を除く): 28781578

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 7013, 14026, 28052, 49091, 56104, 98182, 112208, 196364, 224416, 343637, 392728, 448832, 687274, 785456, 1374548, 1570912, 2749096, 3141824, 5498192, 10996384, 21992768]

約数ペア:

[(1, 21992768), (2, 10996384), (4, 5498192), (7, 3141824), (8, 2749096), (14, 1570912), (16, 1374548), (28, 785456), (32, 687274), (49, 448832), (56, 392728), (64, 343637), (98, 224416), (112, 196364), (196, 112208), (224, 98182), (392, 56104), (448, 49091), (784, 28052), (1568, 14026), (3136, 7013)]