21746704

素因数分解:

$2^4\times 7^1\times {\mathrm{194167}}^1$

素因数の和:194182

約数の個数: 20

約数和(自身を含む): 48153664

約数和(自身を除く): 26406960

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 194167, 388334, 776668, 1359169, 1553336, 2718338, 3106672, 5436676, 10873352, 21746704]

約数ペア:

[(1, 21746704), (2, 10873352), (4, 5436676), (7, 3106672), (8, 2718338), (14, 1553336), (16, 1359169), (28, 776668), (56, 388334), (112, 194167)]