21055986

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{23873}}^1$

素因数の和:23895

約数の個数: 36

約数和(自身を含む): 53071902

約数和(自身を除く): 32015916

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882, 23873, 47746, 71619, 143238, 167111, 214857, 334222, 429714, 501333, 1002666, 1169777, 1503999, 2339554, 3007998, 3509331, 7018662, 10527993, 21055986]

約数ペア:

[(1, 21055986), (2, 10527993), (3, 7018662), (6, 3509331), (7, 3007998), (9, 2339554), (14, 1503999), (18, 1169777), (21, 1002666), (42, 501333), (49, 429714), (63, 334222), (98, 214857), (126, 167111), (147, 143238), (294, 71619), (441, 47746), (882, 23873)]