21293982

素因数分解:

$2^1\times 3^3\times {\mathrm{83}}^1\times {\mathrm{4751}}^1$

素因数の和:4845

約数の個数: 32

約数和(自身を含む): 47900160

約数和(自身を除く): 26606178

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 83, 166, 249, 498, 747, 1494, 2241, 4482, 4751, 9502, 14253, 28506, 42759, 85518, 128277, 256554, 394333, 788666, 1182999, 2365998, 3548997, 7097994, 10646991, 21293982]

約数ペア:

[(1, 21293982), (2, 10646991), (3, 7097994), (6, 3548997), (9, 2365998), (18, 1182999), (27, 788666), (54, 394333), (83, 256554), (166, 128277), (249, 85518), (498, 42759), (747, 28506), (1494, 14253), (2241, 9502), (4482, 4751)]