21857024

素因数分解:

$2^8\times 7^1\times {\mathrm{12197}}^1$

素因数の和:12220

約数の個数: 36

約数和(自身を含む): 49865424

約数和(自身を除く): 28008400

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 12197, 24394, 48788, 85379, 97576, 170758, 195152, 341516, 390304, 683032, 780608, 1366064, 1561216, 2732128, 3122432, 5464256, 10928512, 21857024]

約数ペア:

[(1, 21857024), (2, 10928512), (4, 5464256), (7, 3122432), (8, 2732128), (14, 1561216), (16, 1366064), (28, 780608), (32, 683032), (56, 390304), (64, 341516), (112, 195152), (128, 170758), (224, 97576), (256, 85379), (448, 48788), (896, 24394), (1792, 12197)]