21807058

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17117}}^1$

素因数の和:17146

約数の個数: 24

約数和(自身を含む): 40980492

約数和(自身を除く): 19173434

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 17117, 34234, 119819, 222521, 239638, 445042, 838733, 1557647, 1677466, 3115294, 10903529, 21807058]

約数ペア:

[(1, 21807058), (2, 10903529), (7, 3115294), (13, 1677466), (14, 1557647), (26, 838733), (49, 445042), (91, 239638), (98, 222521), (182, 119819), (637, 34234), (1274, 17117)]