21296464

素因数分解:

$2^4\times 7^1\times {\mathrm{190147}}^1$

素因数の和:190162

約数の個数: 20

約数和(自身を含む): 47156704

約数和(自身を除く): 25860240

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 190147, 380294, 760588, 1331029, 1521176, 2662058, 3042352, 5324116, 10648232, 21296464]

約数ペア:

[(1, 21296464), (2, 10648232), (4, 5324116), (7, 3042352), (8, 2662058), (14, 1521176), (16, 1331029), (28, 760588), (56, 380294), (112, 190147)]