21563346

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{691}}^1\times {\mathrm{743}}^1$

素因数の和:1446

約数の個数: 32

約数和(自身を含む): 49425408

約数和(自身を除く): 27862062

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 691, 743, 1382, 1486, 2073, 2229, 4146, 4458, 4837, 5201, 9674, 10402, 14511, 15603, 29022, 31206, 513413, 1026826, 1540239, 3080478, 3593891, 7187782, 10781673, 21563346]

約数ペア:

[(1, 21563346), (2, 10781673), (3, 7187782), (6, 3593891), (7, 3080478), (14, 1540239), (21, 1026826), (42, 513413), (691, 31206), (743, 29022), (1382, 15603), (1486, 14511), (2073, 10402), (2229, 9674), (4146, 5201), (4458, 4837)]