21196252

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{68819}}^1$

素因数の和:68841

約数の個数: 24

約数和(自身を含む): 46247040

約数和(自身を除く): 25050788

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 68819, 137638, 275276, 481733, 757009, 963466, 1514018, 1926932, 3028036, 5299063, 10598126, 21196252]

約数ペア:

[(1, 21196252), (2, 10598126), (4, 5299063), (7, 3028036), (11, 1926932), (14, 1514018), (22, 963466), (28, 757009), (44, 481733), (77, 275276), (154, 137638), (308, 68819)]