21730912

素因数分解:

$2^5\times 7^2\times {\mathrm{13859}}^1$

素因数の和:13883

約数の個数: 36

約数和(自身を含む): 49771260

約数和(自身を除く): 28040348

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 13859, 27718, 55436, 97013, 110872, 194026, 221744, 388052, 443488, 679091, 776104, 1358182, 1552208, 2716364, 3104416, 5432728, 10865456, 21730912]

約数ペア:

[(1, 21730912), (2, 10865456), (4, 5432728), (7, 3104416), (8, 2716364), (14, 1552208), (16, 1358182), (28, 776104), (32, 679091), (49, 443488), (56, 388052), (98, 221744), (112, 194026), (196, 110872), (224, 97013), (392, 55436), (784, 27718), (1568, 13859)]