21420322

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{367}}^1\times {\mathrm{379}}^1$

素因数の和:766

約数の個数: 32

約数和(自身を含む): 40273920

約数和(自身を除く): 18853598

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 367, 379, 734, 758, 2569, 2653, 4037, 4169, 5138, 5306, 8074, 8338, 28259, 29183, 56518, 58366, 139093, 278186, 973651, 1530023, 1947302, 3060046, 10710161, 21420322]

約数ペア:

[(1, 21420322), (2, 10710161), (7, 3060046), (11, 1947302), (14, 1530023), (22, 973651), (77, 278186), (154, 139093), (367, 58366), (379, 56518), (734, 29183), (758, 28259), (2569, 8338), (2653, 8074), (4037, 5306), (4169, 5138)]