21282380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{152017}}^1$

素因数の和:152033

約数の個数: 24

約数和(自身を含む): 51078048

約数和(自身を除く): 29795668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 152017, 304034, 608068, 760085, 1064119, 1520170, 2128238, 3040340, 4256476, 5320595, 10641190, 21282380]

約数ペア:

[(1, 21282380), (2, 10641190), (4, 5320595), (5, 4256476), (7, 3040340), (10, 2128238), (14, 1520170), (20, 1064119), (28, 760085), (35, 608068), (70, 304034), (140, 152017)]