21288736

素因数分解:

$2^5\times 7^2\times {\mathrm{13577}}^1$

素因数の和:13601

約数の個数: 36

約数和(自身を含む): 48758598

約数和(自身を除く): 27469862

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 13577, 27154, 54308, 95039, 108616, 190078, 217232, 380156, 434464, 665273, 760312, 1330546, 1520624, 2661092, 3041248, 5322184, 10644368, 21288736]

約数ペア:

[(1, 21288736), (2, 10644368), (4, 5322184), (7, 3041248), (8, 2661092), (14, 1520624), (16, 1330546), (28, 760312), (32, 665273), (49, 434464), (56, 380156), (98, 217232), (112, 190078), (196, 108616), (224, 95039), (392, 54308), (784, 27154), (1568, 13577)]