21281022

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{56299}}^1$

素因数の和:56317

約数の個数: 32

約数和(自身を含む): 54048000

約数和(自身を除く): 32766978

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 56299, 112598, 168897, 337794, 394093, 506691, 788186, 1013382, 1182279, 1520073, 2364558, 3040146, 3546837, 7093674, 10640511, 21281022]

約数ペア:

[(1, 21281022), (2, 10640511), (3, 7093674), (6, 3546837), (7, 3040146), (9, 2364558), (14, 1520073), (18, 1182279), (21, 1013382), (27, 788186), (42, 506691), (54, 394093), (63, 337794), (126, 168897), (189, 112598), (378, 56299)]