21311046

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{20771}}^1$

素因数の和:20801

約数の個数: 32

約数和(自身を含む): 49852800

約数和(自身を除く): 28541754

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 513, 1026, 20771, 41542, 62313, 124626, 186939, 373878, 394649, 560817, 789298, 1121634, 1183947, 2367894, 3551841, 7103682, 10655523, 21311046]

約数ペア:

[(1, 21311046), (2, 10655523), (3, 7103682), (6, 3551841), (9, 2367894), (18, 1183947), (19, 1121634), (27, 789298), (38, 560817), (54, 394649), (57, 373878), (114, 186939), (171, 124626), (342, 62313), (513, 41542), (1026, 20771)]