21302848

素因数分解:

$2^6\times 7^2\times {\mathrm{6793}}^1$

素因数の和:6819

約数の個数: 42

約数和(自身を含む): 49181766

約数和(自身を除く): 27878918

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 6793, 13586, 27172, 47551, 54344, 95102, 108688, 190204, 217376, 332857, 380408, 434752, 665714, 760816, 1331428, 1521632, 2662856, 3043264, 5325712, 10651424, 21302848]

約数ペア:

[(1, 21302848), (2, 10651424), (4, 5325712), (7, 3043264), (8, 2662856), (14, 1521632), (16, 1331428), (28, 760816), (32, 665714), (49, 434752), (56, 380408), (64, 332857), (98, 217376), (112, 190204), (196, 108688), (224, 95102), (392, 54344), (448, 47551), (784, 27172), (1568, 13586), (3136, 6793)]