21386286

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{62533}}^1$

素因数の和:62560

約数の個数: 24

約数和(自身を含む): 48776520

約数和(自身を除く): 27390234

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 62533, 125066, 187599, 375198, 562797, 1125594, 1188127, 2376254, 3564381, 7128762, 10693143, 21386286]

約数ペア:

[(1, 21386286), (2, 10693143), (3, 7128762), (6, 3564381), (9, 2376254), (18, 1188127), (19, 1125594), (38, 562797), (57, 375198), (114, 187599), (171, 125066), (342, 62533)]